Home / 89,912,108.18-124,078,707.76-48,659,000.56

Finding the Fourth Proportional to 89,912,108.18, 124,078,707.76 and 48,659,000.56

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Solution

The fourth proportional to 89,912,108.18, 124,078,707.76 and 48,659,000.56 is: 67,149,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,912,108.18 : 124,078,707.76 = 48,659,000.56 : x
  2. Step 2: Convert to fraction form
    89,912,108.18/124,078,707.76 = 48,659,000.56/x
  3. Step 3: Cross multiply
    89,912,108.18x = 124,078,707.76 × 48,659,000.56
  4. Step 4: Simplify right side
    89,912,108.18x = 6,037,545,910,128,543
  5. Step 5: Solve for x
    x = 6,037,545,910,128,543/89,912,108.18
  6. Step 6: Final answer
    x = 67,149,419.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.