Home / 215,898,256.80-323,847,385.20-177,156,207.90

Finding the Fourth Proportional to 215,898,256.80, 323,847,385.20 and 177,156,207.90

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Solution

The fourth proportional to 215,898,256.80, 323,847,385.20 and 177,156,207.90 is: 265,734,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,898,256.80 : 323,847,385.20 = 177,156,207.90 : x
  2. Step 2: Convert to fraction form
    215,898,256.80/323,847,385.20 = 177,156,207.90/x
  3. Step 3: Cross multiply
    215,898,256.80x = 323,847,385.20 × 177,156,207.90
  4. Step 4: Simplify right side
    215,898,256.80x = 57,371,574,700,362,584
  5. Step 5: Solve for x
    x = 57,371,574,700,362,584/215,898,256.80
  6. Step 6: Final answer
    x = 265,734,311.85

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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.