Home / 131,418,538.98-197,125,572.87-39,302,487.78

Finding the Fourth Proportional to 131,418,538.98, 197,125,572.87 and 39,302,487.78

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Solution

The fourth proportional to 131,418,538.98, 197,125,572.87 and 39,302,487.78 is: 58,953,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,418,538.98 : 197,125,572.87 = 39,302,487.78 : x
  2. Step 2: Convert to fraction form
    131,418,538.98/197,125,572.87 = 39,302,487.78/x
  3. Step 3: Cross multiply
    131,418,538.98x = 197,125,572.87 × 39,302,487.78
  4. Step 4: Simplify right side
    131,418,538.98x = 7,747,525,418,848,675
  5. Step 5: Solve for x
    x = 7,747,525,418,848,675/131,418,538.98
  6. Step 6: Final answer
    x = 58,953,063.08

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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.