Home / 85,536,080.10-128,304,120.15-40,102,467.30

Finding the Fourth Proportional to 85,536,080.10, 128,304,120.15 and 40,102,467.30

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Solution

The fourth proportional to 85,536,080.10, 128,304,120.15 and 40,102,467.30 is: 60,153,700.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536,080.10 : 128,304,120.15 = 40,102,467.30 : x
  2. Step 2: Convert to fraction form
    85,536,080.10/128,304,120.15 = 40,102,467.30/x
  3. Step 3: Cross multiply
    85,536,080.10x = 128,304,120.15 × 40,102,467.30
  4. Step 4: Simplify right side
    85,536,080.10x = 5,145,311,782,770,646
  5. Step 5: Solve for x
    x = 5,145,311,782,770,646/85,536,080.10
  6. Step 6: Final answer
    x = 60,153,700.95

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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.