Home / 132,649,344.30-199,123,315.65-102,490,905.90

Finding the Fourth Proportional to 132,649,344.30, 199,123,315.65 and 102,490,905.90

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Solution

The fourth proportional to 132,649,344.30, 199,123,315.65 and 102,490,905.90 is: 153,851,714.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,649,344.30 : 199,123,315.65 = 102,490,905.90 : x
  2. Step 2: Convert to fraction form
    132,649,344.30/199,123,315.65 = 102,490,905.90/x
  3. Step 3: Cross multiply
    132,649,344.30x = 199,123,315.65 × 102,490,905.90
  4. Step 4: Simplify right side
    132,649,344.30x = 20,408,329,006,780,148
  5. Step 5: Solve for x
    x = 20,408,329,006,780,148/132,649,344.30
  6. Step 6: Final answer
    x = 153,851,714.19

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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.