Home / 66,447,664.20-99,690,158.70-32,370,121.80

Finding the Fourth Proportional to 66,447,664.20, 99,690,158.70 and 32,370,121.80

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Solution

The fourth proportional to 66,447,664.20, 99,690,158.70 and 32,370,121.80 is: 48,564,274.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,447,664.20 : 99,690,158.70 = 32,370,121.80 : x
  2. Step 2: Convert to fraction form
    66,447,664.20/99,690,158.70 = 32,370,121.80/x
  3. Step 3: Cross multiply
    66,447,664.20x = 99,690,158.70 × 32,370,121.80
  4. Step 4: Simplify right side
    66,447,664.20x = 3,226,982,579,380,330
  5. Step 5: Solve for x
    x = 3,226,982,579,380,330/66,447,664.20
  6. Step 6: Final answer
    x = 48,564,274.13

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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.