Home / 125,412,656.53-188,180,614.45-56,374,238.78

Finding the Fourth Proportional to 125,412,656.53, 188,180,614.45 and 56,374,238.78

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Solution

The fourth proportional to 125,412,656.53, 188,180,614.45 and 56,374,238.78 is: 84,589,061.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,412,656.53 : 188,180,614.45 = 56,374,238.78 : x
  2. Step 2: Convert to fraction form
    125,412,656.53/188,180,614.45 = 56,374,238.78/x
  3. Step 3: Cross multiply
    125,412,656.53x = 188,180,614.45 × 56,374,238.78
  4. Step 4: Simplify right side
    125,412,656.53x = 10,608,538,892,771,418
  5. Step 5: Solve for x
    x = 10,608,538,892,771,418/125,412,656.53
  6. Step 6: Final answer
    x = 84,589,061.31

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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.