Home / 132,649,339.80-199,123,308.90-102,490,901.40

Finding the Fourth Proportional to 132,649,339.80, 199,123,308.90 and 102,490,901.40

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Solution

The fourth proportional to 132,649,339.80, 199,123,308.90 and 102,490,901.40 is: 153,851,707.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,649,339.80 : 199,123,308.90 = 102,490,901.40 : x
  2. Step 2: Convert to fraction form
    132,649,339.80/199,123,308.90 = 102,490,901.40/x
  3. Step 3: Cross multiply
    132,649,339.80x = 199,123,308.90 × 102,490,901.40
  4. Step 4: Simplify right side
    132,649,339.80x = 20,408,327,418,911,644
  5. Step 5: Solve for x
    x = 20,408,327,418,911,644/132,649,339.80
  6. Step 6: Final answer
    x = 153,851,707.44

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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.