Home / 132,521,359.90-198,523,437.56-103,238,085.02

Finding the Fourth Proportional to 132,521,359.90, 198,523,437.56 and 103,238,085.02

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Solution

The fourth proportional to 132,521,359.90, 198,523,437.56 and 103,238,085.02 is: 154,655,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,521,359.90 : 198,523,437.56 = 103,238,085.02 : x
  2. Step 2: Convert to fraction form
    132,521,359.90/198,523,437.56 = 103,238,085.02/x
  3. Step 3: Cross multiply
    132,521,359.90x = 198,523,437.56 × 103,238,085.02
  4. Step 4: Simplify right side
    132,521,359.90x = 20,495,179,525,281,940
  5. Step 5: Solve for x
    x = 20,495,179,525,281,940/132,521,359.90
  6. Step 6: Final answer
    x = 154,655,668.65

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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.