Home / 125,473,614.30-188,210,421.45-99,645,581.70

Finding the Fourth Proportional to 125,473,614.30, 188,210,421.45 and 99,645,581.70

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Solution

The fourth proportional to 125,473,614.30, 188,210,421.45 and 99,645,581.70 is: 149,468,372.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,473,614.30 : 188,210,421.45 = 99,645,581.70 : x
  2. Step 2: Convert to fraction form
    125,473,614.30/188,210,421.45 = 99,645,581.70/x
  3. Step 3: Cross multiply
    125,473,614.30x = 188,210,421.45 × 99,645,581.70
  4. Step 4: Simplify right side
    125,473,614.30x = 18,754,336,927,387,408
  5. Step 5: Solve for x
    x = 18,754,336,927,387,408/125,473,614.30
  6. Step 6: Final answer
    x = 149,468,372.55

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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.