Home / 90,876,600,851.10-136,314,901,276.65-85,995,102,689.70

Finding the Fourth Proportional to 90,876,600,851.10, 136,314,901,276.65 and 85,995,102,689.70

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Solution

The fourth proportional to 90,876,600,851.10, 136,314,901,276.65 and 85,995,102,689.70 is: 128,992,654,034.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,876,600,851.10 : 136,314,901,276.65 = 85,995,102,689.70 : x
  2. Step 2: Convert to fraction form
    90,876,600,851.10/136,314,901,276.65 = 85,995,102,689.70/x
  3. Step 3: Cross multiply
    90,876,600,851.10x = 136,314,901,276.65 × 85,995,102,689.70
  4. Step 4: Simplify right side
    90,876,600,851.10x = 11,722,413,933,421,834,272,768
  5. Step 5: Solve for x
    x = 11,722,413,933,421,834,272,768/90,876,600,851.10
  6. Step 6: Final answer
    x = 128,992,654,034.55

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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.