Home / 52,387,321.40-78,580,982.10-39,632,737.40

Finding the Fourth Proportional to 52,387,321.40, 78,580,982.10 and 39,632,737.40

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Solution

The fourth proportional to 52,387,321.40, 78,580,982.10 and 39,632,737.40 is: 59,449,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,387,321.40 : 78,580,982.10 = 39,632,737.40 : x
  2. Step 2: Convert to fraction form
    52,387,321.40/78,580,982.10 = 39,632,737.40/x
  3. Step 3: Cross multiply
    52,387,321.40x = 78,580,982.10 × 39,632,737.40
  4. Step 4: Simplify right side
    52,387,321.40x = 3,114,379,428,203,400
  5. Step 5: Solve for x
    x = 3,114,379,428,203,400/52,387,321.40
  6. Step 6: Final answer
    x = 59,449,106.10

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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.