Home / 52,125,411.20-78,132,129.60-19,764,809.60

Finding the Fourth Proportional to 52,125,411.20, 78,132,129.60 and 19,764,809.60

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Solution

The fourth proportional to 52,125,411.20, 78,132,129.60 and 19,764,809.60 is: 29,625,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,125,411.20 : 78,132,129.60 = 19,764,809.60 : x
  2. Step 2: Convert to fraction form
    52,125,411.20/78,132,129.60 = 19,764,809.60/x
  3. Step 3: Cross multiply
    52,125,411.20x = 78,132,129.60 × 19,764,809.60
  4. Step 4: Simplify right side
    52,125,411.20x = 1,544,266,665,186,524.25
  5. Step 5: Solve for x
    x = 1,544,266,665,186,524.25/52,125,411.20
  6. Step 6: Final answer
    x = 29,625,985.29

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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.