Home / 125,162,673.40-172,724,211.78-69,406,715.86

Finding the Fourth Proportional to 125,162,673.40, 172,724,211.78 and 69,406,715.86

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Solution

The fourth proportional to 125,162,673.40, 172,724,211.78 and 69,406,715.86 is: 95,781,114.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,162,673.40 : 172,724,211.78 = 69,406,715.86 : x
  2. Step 2: Convert to fraction form
    125,162,673.40/172,724,211.78 = 69,406,715.86/x
  3. Step 3: Cross multiply
    125,162,673.40x = 172,724,211.78 × 69,406,715.86
  4. Step 4: Simplify right side
    125,162,673.40x = 11,988,220,289,156,924
  5. Step 5: Solve for x
    x = 11,988,220,289,156,924/125,162,673.40
  6. Step 6: Final answer
    x = 95,781,114.00

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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.