Home / 67,230,055.20-100,845,082.80-65,812,879.20

Finding the Fourth Proportional to 67,230,055.20, 100,845,082.80 and 65,812,879.20

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Solution

The fourth proportional to 67,230,055.20, 100,845,082.80 and 65,812,879.20 is: 98,719,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,230,055.20 : 100,845,082.80 = 65,812,879.20 : x
  2. Step 2: Convert to fraction form
    67,230,055.20/100,845,082.80 = 65,812,879.20/x
  3. Step 3: Cross multiply
    67,230,055.20x = 100,845,082.80 × 65,812,879.20
  4. Step 4: Simplify right side
    67,230,055.20x = 6,636,905,252,230,398
  5. Step 5: Solve for x
    x = 6,636,905,252,230,398/67,230,055.20
  6. Step 6: Final answer
    x = 98,719,318.80

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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.