Home / 99,472,787.62-149,202,186.81-37,212,223.48

Finding the Fourth Proportional to 99,472,787.62, 149,202,186.81 and 37,212,223.48

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Solution

The fourth proportional to 99,472,787.62, 149,202,186.81 and 37,212,223.48 is: 55,815,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,472,787.62 : 149,202,186.81 = 37,212,223.48 : x
  2. Step 2: Convert to fraction form
    99,472,787.62/149,202,186.81 = 37,212,223.48/x
  3. Step 3: Cross multiply
    99,472,787.62x = 149,202,186.81 × 37,212,223.48
  4. Step 4: Simplify right side
    99,472,787.62x = 5,552,145,119,278,428
  5. Step 5: Solve for x
    x = 5,552,145,119,278,428/99,472,787.62
  6. Step 6: Final answer
    x = 55,815,718.57

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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.