Home / 52,192,035.40-78,288,053.10-47,489,110.60

Finding the Fourth Proportional to 52,192,035.40, 78,288,053.10 and 47,489,110.60

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Solution

The fourth proportional to 52,192,035.40, 78,288,053.10 and 47,489,110.60 is: 71,233,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,192,035.40 : 78,288,053.10 = 47,489,110.60 : x
  2. Step 2: Convert to fraction form
    52,192,035.40/78,288,053.10 = 47,489,110.60/x
  3. Step 3: Cross multiply
    52,192,035.40x = 78,288,053.10 × 47,489,110.60
  4. Step 4: Simplify right side
    52,192,035.40x = 3,717,830,012,324,572.50
  5. Step 5: Solve for x
    x = 3,717,830,012,324,572.50/52,192,035.40
  6. Step 6: Final answer
    x = 71,233,665.90

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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.