Home / 52,125,412.20-78,132,131.10-19,764,810.60

Finding the Fourth Proportional to 52,125,412.20, 78,132,131.10 and 19,764,810.60

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Solution

The fourth proportional to 52,125,412.20, 78,132,131.10 and 19,764,810.60 is: 29,625,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,125,412.20 : 78,132,131.10 = 19,764,810.60 : x
  2. Step 2: Convert to fraction form
    52,125,412.20/78,132,131.10 = 19,764,810.60/x
  3. Step 3: Cross multiply
    52,125,412.20x = 78,132,131.10 × 19,764,810.60
  4. Step 4: Simplify right side
    52,125,412.20x = 1,544,266,772,965,869.75
  5. Step 5: Solve for x
    x = 1,544,266,772,965,869.75/52,125,412.20
  6. Step 6: Final answer
    x = 29,625,986.78

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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.