Home / 52,502,405.80-78,753,608.70-47,715,500.20

Finding the Fourth Proportional to 52,502,405.80, 78,753,608.70 and 47,715,500.20

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Solution

The fourth proportional to 52,502,405.80, 78,753,608.70 and 47,715,500.20 is: 71,573,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,502,405.80 : 78,753,608.70 = 47,715,500.20 : x
  2. Step 2: Convert to fraction form
    52,502,405.80/78,753,608.70 = 47,715,500.20/x
  3. Step 3: Cross multiply
    52,502,405.80x = 78,753,608.70 × 47,715,500.20
  4. Step 4: Simplify right side
    52,502,405.80x = 3,757,767,831,675,572
  5. Step 5: Solve for x
    x = 3,757,767,831,675,572/52,502,405.80
  6. Step 6: Final answer
    x = 71,573,250.30

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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.