Home / 61,119,397.20-91,679,095.80-15,681,191.70

Finding the Fourth Proportional to 61,119,397.20, 91,679,095.80 and 15,681,191.70

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Solution

The fourth proportional to 61,119,397.20, 91,679,095.80 and 15,681,191.70 is: 23,521,787.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,119,397.20 : 91,679,095.80 = 15,681,191.70 : x
  2. Step 2: Convert to fraction form
    61,119,397.20/91,679,095.80 = 15,681,191.70/x
  3. Step 3: Cross multiply
    61,119,397.20x = 91,679,095.80 × 15,681,191.70
  4. Step 4: Simplify right side
    61,119,397.20x = 1,437,637,476,122,464.75
  5. Step 5: Solve for x
    x = 1,437,637,476,122,464.75/61,119,397.20
  6. Step 6: Final answer
    x = 23,521,787.55

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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.