Home / 61,119,389.70-91,679,084.55-15,681,184.20

Finding the Fourth Proportional to 61,119,389.70, 91,679,084.55 and 15,681,184.20

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Solution

The fourth proportional to 61,119,389.70, 91,679,084.55 and 15,681,184.20 is: 23,521,776.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,119,389.70 : 91,679,084.55 = 15,681,184.20 : x
  2. Step 2: Convert to fraction form
    61,119,389.70/91,679,084.55 = 15,681,184.20/x
  3. Step 3: Cross multiply
    61,119,389.70x = 91,679,084.55 × 15,681,184.20
  4. Step 4: Simplify right side
    61,119,389.70x = 1,437,636,612,115,924
  5. Step 5: Solve for x
    x = 1,437,636,612,115,924/61,119,389.70
  6. Step 6: Final answer
    x = 23,521,776.30

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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.