Home / 156,072,612.72-234,114,228.48-74,149,211.04

Finding the Fourth Proportional to 156,072,612.72, 234,114,228.48 and 74,149,211.04

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Solution

The fourth proportional to 156,072,612.72, 234,114,228.48 and 74,149,211.04 is: 111,226,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,072,612.72 : 234,114,228.48 = 74,149,211.04 : x
  2. Step 2: Convert to fraction form
    156,072,612.72/234,114,228.48 = 74,149,211.04/x
  3. Step 3: Cross multiply
    156,072,612.72x = 234,114,228.48 × 74,149,211.04
  4. Step 4: Simplify right side
    156,072,612.72x = 17,359,385,335,030,300
  5. Step 5: Solve for x
    x = 17,359,385,335,030,300/156,072,612.72
  6. Step 6: Final answer
    x = 111,226,339.03

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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.