Home / 275,439,697.06-413,223,373.10-78,705,672.63

Finding the Fourth Proportional to 275,439,697.06, 413,223,373.10 and 78,705,672.63

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Solution

The fourth proportional to 275,439,697.06, 413,223,373.10 and 78,705,672.63 is: 118,076,747.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,439,697.06 : 413,223,373.10 = 78,705,672.63 : x
  2. Step 2: Convert to fraction form
    275,439,697.06/413,223,373.10 = 78,705,672.63/x
  3. Step 3: Cross multiply
    275,439,697.06x = 413,223,373.10 × 78,705,672.63
  4. Step 4: Simplify right side
    275,439,697.06x = 32,523,023,527,934,036
  5. Step 5: Solve for x
    x = 32,523,023,527,934,036/275,439,697.06
  6. Step 6: Final answer
    x = 118,076,747.38

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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.