Home / 124,512,059.20-186,992,037.60-90,471,841.60

Finding the Fourth Proportional to 124,512,059.20, 186,992,037.60 and 90,471,841.60

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Solution

The fourth proportional to 124,512,059.20, 186,992,037.60 and 90,471,841.60 is: 135,870,486.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,512,059.20 : 186,992,037.60 = 90,471,841.60 : x
  2. Step 2: Convert to fraction form
    124,512,059.20/186,992,037.60 = 90,471,841.60/x
  3. Step 3: Cross multiply
    124,512,059.20x = 186,992,037.60 × 90,471,841.60
  4. Step 4: Simplify right side
    124,512,059.20x = 16,917,514,006,208,442
  5. Step 5: Solve for x
    x = 16,917,514,006,208,442/124,512,059.20
  6. Step 6: Final answer
    x = 135,870,486.08

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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.