Home / 90,876,600,840.60-136,314,901,260.90-85,995,102,679.20

Finding the Fourth Proportional to 90,876,600,840.60, 136,314,901,260.90 and 85,995,102,679.20

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Solution

The fourth proportional to 90,876,600,840.60, 136,314,901,260.90 and 85,995,102,679.20 is: 128,992,654,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,876,600,840.60 : 136,314,901,260.90 = 85,995,102,679.20 : x
  2. Step 2: Convert to fraction form
    90,876,600,840.60/136,314,901,260.90 = 85,995,102,679.20/x
  3. Step 3: Cross multiply
    90,876,600,840.60x = 136,314,901,260.90 × 85,995,102,679.20
  4. Step 4: Simplify right side
    90,876,600,840.60x = 11,722,413,930,636,103,385,088
  5. Step 5: Solve for x
    x = 11,722,413,930,636,103,385,088/90,876,600,840.60
  6. Step 6: Final answer
    x = 128,992,654,018.80

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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.