Home / 157,520,048.10-236,280,072.15-135,978,972.90

Finding the Fourth Proportional to 157,520,048.10, 236,280,072.15 and 135,978,972.90

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Solution

The fourth proportional to 157,520,048.10, 236,280,072.15 and 135,978,972.90 is: 203,968,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,520,048.10 : 236,280,072.15 = 135,978,972.90 : x
  2. Step 2: Convert to fraction form
    157,520,048.10/236,280,072.15 = 135,978,972.90/x
  3. Step 3: Cross multiply
    157,520,048.10x = 236,280,072.15 × 135,978,972.90
  4. Step 4: Simplify right side
    157,520,048.10x = 32,129,121,527,694,896
  5. Step 5: Solve for x
    x = 32,129,121,527,694,896/157,520,048.10
  6. Step 6: Final answer
    x = 203,968,459.35

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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.