Home / 90,876,600,847.60-136,314,901,271.40-85,995,102,686.20

Finding the Fourth Proportional to 90,876,600,847.60, 136,314,901,271.40 and 85,995,102,686.20

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Solution

The fourth proportional to 90,876,600,847.60, 136,314,901,271.40 and 85,995,102,686.20 is: 128,992,654,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,876,600,847.60 : 136,314,901,271.40 = 85,995,102,686.20 : x
  2. Step 2: Convert to fraction form
    90,876,600,847.60/136,314,901,271.40 = 85,995,102,686.20/x
  3. Step 3: Cross multiply
    90,876,600,847.60x = 136,314,901,271.40 × 85,995,102,686.20
  4. Step 4: Simplify right side
    90,876,600,847.60x = 11,722,413,932,493,257,310,208
  5. Step 5: Solve for x
    x = 11,722,413,932,493,257,310,208/90,876,600,847.60
  6. Step 6: Final answer
    x = 128,992,654,029.30

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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.