Home / 145,065,311.20-217,597,966.80-136,555,256.80

Finding the Fourth Proportional to 145,065,311.20, 217,597,966.80 and 136,555,256.80

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Solution

The fourth proportional to 145,065,311.20, 217,597,966.80 and 136,555,256.80 is: 204,832,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,065,311.20 : 217,597,966.80 = 136,555,256.80 : x
  2. Step 2: Convert to fraction form
    145,065,311.20/217,597,966.80 = 136,555,256.80/x
  3. Step 3: Cross multiply
    145,065,311.20x = 217,597,966.80 × 136,555,256.80
  4. Step 4: Simplify right side
    145,065,311.20x = 29,714,146,235,531,880
  5. Step 5: Solve for x
    x = 29,714,146,235,531,880/145,065,311.20
  6. Step 6: Final answer
    x = 204,832,885.20

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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.