Home / 132,231,569.40-198,347,354.10-71,765,393.40

Finding the Fourth Proportional to 132,231,569.40, 198,347,354.10 and 71,765,393.40

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Solution

The fourth proportional to 132,231,569.40, 198,347,354.10 and 71,765,393.40 is: 107,648,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,231,569.40 : 198,347,354.10 = 71,765,393.40 : x
  2. Step 2: Convert to fraction form
    132,231,569.40/198,347,354.10 = 71,765,393.40/x
  3. Step 3: Cross multiply
    132,231,569.40x = 198,347,354.10 × 71,765,393.40
  4. Step 4: Simplify right side
    132,231,569.40x = 14,234,475,896,835,604
  5. Step 5: Solve for x
    x = 14,234,475,896,835,604/132,231,569.40
  6. Step 6: Final answer
    x = 107,648,090.10

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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.