Home / 136,829,792.28-188,825,053.68-74,105,893.11

Finding the Fourth Proportional to 136,829,792.28, 188,825,053.68 and 74,105,893.11

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Solution

The fourth proportional to 136,829,792.28, 188,825,053.68 and 74,105,893.11 is: 102,266,100.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,829,792.28 : 188,825,053.68 = 74,105,893.11 : x
  2. Step 2: Convert to fraction form
    136,829,792.28/188,825,053.68 = 74,105,893.11/x
  3. Step 3: Cross multiply
    136,829,792.28x = 188,825,053.68 × 74,105,893.11
  4. Step 4: Simplify right side
    136,829,792.28x = 13,993,049,244,500,092
  5. Step 5: Solve for x
    x = 13,993,049,244,500,092/136,829,792.28
  6. Step 6: Final answer
    x = 102,266,100.18

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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.