Home / 157,975,966.22-217,987,732.14-91,016,829.84

Finding the Fourth Proportional to 157,975,966.22, 217,987,732.14 and 91,016,829.84

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Solution

The fourth proportional to 157,975,966.22, 217,987,732.14 and 91,016,829.84 is: 125,592,220.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,975,966.22 : 217,987,732.14 = 91,016,829.84 : x
  2. Step 2: Convert to fraction form
    157,975,966.22/217,987,732.14 = 91,016,829.84/x
  3. Step 3: Cross multiply
    157,975,966.22x = 217,987,732.14 × 91,016,829.84
  4. Step 4: Simplify right side
    157,975,966.22x = 19,840,552,324,025,912
  5. Step 5: Solve for x
    x = 19,840,552,324,025,912/157,975,966.22
  6. Step 6: Final answer
    x = 125,592,220.12

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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.