Home / 115,627,061.18-159,550,635.84-66,070,639.91

Finding the Fourth Proportional to 115,627,061.18, 159,550,635.84 and 66,070,639.91

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Solution

The fourth proportional to 115,627,061.18, 159,550,635.84 and 66,070,639.91 is: 91,169,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,627,061.18 : 159,550,635.84 = 66,070,639.91 : x
  2. Step 2: Convert to fraction form
    115,627,061.18/159,550,635.84 = 66,070,639.91/x
  3. Step 3: Cross multiply
    115,627,061.18x = 159,550,635.84 × 66,070,639.91
  4. Step 4: Simplify right side
    115,627,061.18x = 10,541,612,608,147,952
  5. Step 5: Solve for x
    x = 10,541,612,608,147,952/115,627,061.18
  6. Step 6: Final answer
    x = 91,169,078.42

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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.