Home / 132,029,165.40-198,043,748.10-83,561,746.20

Finding the Fourth Proportional to 132,029,165.40, 198,043,748.10 and 83,561,746.20

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Solution

The fourth proportional to 132,029,165.40, 198,043,748.10 and 83,561,746.20 is: 125,342,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,029,165.40 : 198,043,748.10 = 83,561,746.20 : x
  2. Step 2: Convert to fraction form
    132,029,165.40/198,043,748.10 = 83,561,746.20/x
  3. Step 3: Cross multiply
    132,029,165.40x = 198,043,748.10 × 83,561,746.20
  4. Step 4: Simplify right side
    132,029,165.40x = 16,548,881,415,228,932
  5. Step 5: Solve for x
    x = 16,548,881,415,228,932/132,029,165.40
  6. Step 6: Final answer
    x = 125,342,619.30

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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.