Home / 125,140,962.32-172,712,323.68-69,398,779.76

Finding the Fourth Proportional to 125,140,962.32, 172,712,323.68 and 69,398,779.76

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Solution

The fourth proportional to 125,140,962.32, 172,712,323.68 and 69,398,779.76 is: 95,780,184.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,140,962.32 : 172,712,323.68 = 69,398,779.76 : x
  2. Step 2: Convert to fraction form
    125,140,962.32/172,712,323.68 = 69,398,779.76/x
  3. Step 3: Cross multiply
    125,140,962.32x = 172,712,323.68 × 69,398,779.76
  4. Step 4: Simplify right side
    125,140,962.32x = 11,986,024,512,906,154
  5. Step 5: Solve for x
    x = 11,986,024,512,906,154/125,140,962.32
  6. Step 6: Final answer
    x = 95,780,184.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.