Home / 71,901,725.56-107,681,389.20-45,913,528.92

Finding the Fourth Proportional to 71,901,725.56, 107,681,389.20 and 45,913,528.92

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Solution

The fourth proportional to 71,901,725.56, 107,681,389.20 and 45,913,528.92 is: 68,760,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,901,725.56 : 107,681,389.20 = 45,913,528.92 : x
  2. Step 2: Convert to fraction form
    71,901,725.56/107,681,389.20 = 45,913,528.92/x
  3. Step 3: Cross multiply
    71,901,725.56x = 107,681,389.20 × 45,913,528.92
  4. Step 4: Simplify right side
    71,901,725.56x = 4,944,032,577,179,976
  5. Step 5: Solve for x
    x = 4,944,032,577,179,976/71,901,725.56
  6. Step 6: Final answer
    x = 68,760,972.55

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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.