Home / 99,077,974.89-136,727,924.84-55,024,973.73

Finding the Fourth Proportional to 99,077,974.89, 136,727,924.84 and 55,024,973.73

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Solution

The fourth proportional to 99,077,974.89, 136,727,924.84 and 55,024,973.73 is: 75,934,641.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,077,974.89 : 136,727,924.84 = 55,024,973.73 : x
  2. Step 2: Convert to fraction form
    99,077,974.89/136,727,924.84 = 55,024,973.73/x
  3. Step 3: Cross multiply
    99,077,974.89x = 136,727,924.84 × 55,024,973.73
  4. Step 4: Simplify right side
    99,077,974.89x = 7,523,450,472,478,414
  5. Step 5: Solve for x
    x = 7,523,450,472,478,414/99,077,974.89
  6. Step 6: Final answer
    x = 75,934,641.18

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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.