Home / 132,092,177.40-198,138,266.10-91,781,393.40

Finding the Fourth Proportional to 132,092,177.40, 198,138,266.10 and 91,781,393.40

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Solution

The fourth proportional to 132,092,177.40, 198,138,266.10 and 91,781,393.40 is: 137,672,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,092,177.40 : 198,138,266.10 = 91,781,393.40 : x
  2. Step 2: Convert to fraction form
    132,092,177.40/198,138,266.10 = 91,781,393.40/x
  3. Step 3: Cross multiply
    132,092,177.40x = 198,138,266.10 × 91,781,393.40
  4. Step 4: Simplify right side
    132,092,177.40x = 18,185,406,148,517,984
  5. Step 5: Solve for x
    x = 18,185,406,148,517,984/132,092,177.40
  6. Step 6: Final answer
    x = 137,672,090.10

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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.