Home / 124,690,068.60-187,035,102.90-38,420,791.80

Finding the Fourth Proportional to 124,690,068.60, 187,035,102.90 and 38,420,791.80

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Solution

The fourth proportional to 124,690,068.60, 187,035,102.90 and 38,420,791.80 is: 57,631,187.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,690,068.60 : 187,035,102.90 = 38,420,791.80 : x
  2. Step 2: Convert to fraction form
    124,690,068.60/187,035,102.90 = 38,420,791.80/x
  3. Step 3: Cross multiply
    124,690,068.60x = 187,035,102.90 × 38,420,791.80
  4. Step 4: Simplify right side
    124,690,068.60x = 7,186,036,747,812,476
  5. Step 5: Solve for x
    x = 7,186,036,747,812,476/124,690,068.60
  6. Step 6: Final answer
    x = 57,631,187.70

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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.