Home / 48,309,657.90-72,408,499.65-19,541,568.30

Finding the Fourth Proportional to 48,309,657.90, 72,408,499.65 and 19,541,568.30

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Solution

The fourth proportional to 48,309,657.90, 72,408,499.65 and 19,541,568.30 is: 29,289,705.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,309,657.90 : 72,408,499.65 = 19,541,568.30 : x
  2. Step 2: Convert to fraction form
    48,309,657.90/72,408,499.65 = 19,541,568.30/x
  3. Step 3: Cross multiply
    48,309,657.90x = 72,408,499.65 × 19,541,568.30
  4. Step 4: Simplify right side
    48,309,657.90x = 1,414,975,641,411,001.25
  5. Step 5: Solve for x
    x = 1,414,975,641,411,001.25/48,309,657.90
  6. Step 6: Final answer
    x = 29,289,705.27

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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.