Home / 156,836,009.10-235,254,013.65-149,781,621.90

Finding the Fourth Proportional to 156,836,009.10, 235,254,013.65 and 149,781,621.90

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Solution

The fourth proportional to 156,836,009.10, 235,254,013.65 and 149,781,621.90 is: 224,672,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,836,009.10 : 235,254,013.65 = 149,781,621.90 : x
  2. Step 2: Convert to fraction form
    156,836,009.10/235,254,013.65 = 149,781,621.90/x
  3. Step 3: Cross multiply
    156,836,009.10x = 235,254,013.65 × 149,781,621.90
  4. Step 4: Simplify right side
    156,836,009.10x = 35,236,727,722,981,740
  5. Step 5: Solve for x
    x = 35,236,727,722,981,740/156,836,009.10
  6. Step 6: Final answer
    x = 224,672,432.85

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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.