Home / 132,859,096.90-199,288,645.35-81,574,821.70

Finding the Fourth Proportional to 132,859,096.90, 199,288,645.35 and 81,574,821.70

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Solution

The fourth proportional to 132,859,096.90, 199,288,645.35 and 81,574,821.70 is: 122,362,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,859,096.90 : 199,288,645.35 = 81,574,821.70 : x
  2. Step 2: Convert to fraction form
    132,859,096.90/199,288,645.35 = 81,574,821.70/x
  3. Step 3: Cross multiply
    132,859,096.90x = 199,288,645.35 × 81,574,821.70
  4. Step 4: Simplify right side
    132,859,096.90x = 16,256,935,711,260,784
  5. Step 5: Solve for x
    x = 16,256,935,711,260,784/132,859,096.90
  6. Step 6: Final answer
    x = 122,362,232.55

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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.