Home / 91,980,580.98-138,000,764.98-61,399,472.93

Finding the Fourth Proportional to 91,980,580.98, 138,000,764.98 and 61,399,472.93

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Solution

The fourth proportional to 91,980,580.98, 138,000,764.98 and 61,399,472.93 is: 92,119,164.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,980,580.98 : 138,000,764.98 = 61,399,472.93 : x
  2. Step 2: Convert to fraction form
    91,980,580.98/138,000,764.98 = 61,399,472.93/x
  3. Step 3: Cross multiply
    91,980,580.98x = 138,000,764.98 × 61,399,472.93
  4. Step 4: Simplify right side
    91,980,580.98x = 8,473,174,233,900,304
  5. Step 5: Solve for x
    x = 8,473,174,233,900,304/91,980,580.98
  6. Step 6: Final answer
    x = 92,119,164.11

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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.