Home / 132,521,357.90-198,523,434.56-103,238,083.02

Finding the Fourth Proportional to 132,521,357.90, 198,523,434.56 and 103,238,083.02

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Solution

The fourth proportional to 132,521,357.90, 198,523,434.56 and 103,238,083.02 is: 154,655,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,521,357.90 : 198,523,434.56 = 103,238,083.02 : x
  2. Step 2: Convert to fraction form
    132,521,357.90/198,523,434.56 = 103,238,083.02/x
  3. Step 3: Cross multiply
    132,521,357.90x = 198,523,434.56 × 103,238,083.02
  4. Step 4: Simplify right side
    132,521,357.90x = 20,495,178,818,749,092
  5. Step 5: Solve for x
    x = 20,495,178,818,749,092/132,521,357.90
  6. Step 6: Final answer
    x = 154,655,665.65

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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.