Home / 138,504,532.01-191,136,440.17-75,786,522.39

Finding the Fourth Proportional to 138,504,532.01, 191,136,440.17 and 75,786,522.39

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Solution

The fourth proportional to 138,504,532.01, 191,136,440.17 and 75,786,522.39 is: 104,585,502.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,504,532.01 : 191,136,440.17 = 75,786,522.39 : x
  2. Step 2: Convert to fraction form
    138,504,532.01/191,136,440.17 = 75,786,522.39/x
  3. Step 3: Cross multiply
    138,504,532.01x = 191,136,440.17 × 75,786,522.39
  4. Step 4: Simplify right side
    138,504,532.01x = 14,485,566,102,583,332
  5. Step 5: Solve for x
    x = 14,485,566,102,583,332/138,504,532.01
  6. Step 6: Final answer
    x = 104,585,502.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.