Home / 112,542,330.76-155,305,079.76-62,308,787.42

Finding the Fourth Proportional to 112,542,330.76, 155,305,079.76 and 62,308,787.42

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Solution

The fourth proportional to 112,542,330.76, 155,305,079.76 and 62,308,787.42 is: 85,984,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,542,330.76 : 155,305,079.76 = 62,308,787.42 : x
  2. Step 2: Convert to fraction form
    112,542,330.76/155,305,079.76 = 62,308,787.42/x
  3. Step 3: Cross multiply
    112,542,330.76x = 155,305,079.76 × 62,308,787.42
  4. Step 4: Simplify right side
    112,542,330.76x = 9,676,871,200,011,984
  5. Step 5: Solve for x
    x = 9,676,871,200,011,984/112,542,330.76
  6. Step 6: Final answer
    x = 85,984,279.29

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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.