Home / 90,876,600,848.10-136,314,901,272.15-85,995,102,686.70

Finding the Fourth Proportional to 90,876,600,848.10, 136,314,901,272.15 and 85,995,102,686.70

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Solution

The fourth proportional to 90,876,600,848.10, 136,314,901,272.15 and 85,995,102,686.70 is: 128,992,654,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,876,600,848.10 : 136,314,901,272.15 = 85,995,102,686.70 : x
  2. Step 2: Convert to fraction form
    90,876,600,848.10/136,314,901,272.15 = 85,995,102,686.70/x
  3. Step 3: Cross multiply
    90,876,600,848.10x = 136,314,901,272.15 × 85,995,102,686.70
  4. Step 4: Simplify right side
    90,876,600,848.10x = 11,722,413,932,625,910,562,816
  5. Step 5: Solve for x
    x = 11,722,413,932,625,910,562,816/90,876,600,848.10
  6. Step 6: Final answer
    x = 128,992,654,030.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.