Home / 77,688,002.55-116,532,003.83-47,454,914.55

Finding the Fourth Proportional to 77,688,002.55, 116,532,003.83 and 47,454,914.55

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Solution

The fourth proportional to 77,688,002.55, 116,532,003.83 and 47,454,914.55 is: 71,182,371.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,688,002.55 : 116,532,003.83 = 47,454,914.55 : x
  2. Step 2: Convert to fraction form
    77,688,002.55/116,532,003.83 = 47,454,914.55/x
  3. Step 3: Cross multiply
    77,688,002.55x = 116,532,003.83 × 47,454,914.55
  4. Step 4: Simplify right side
    77,688,002.55x = 5,530,016,283,855,648
  5. Step 5: Solve for x
    x = 5,530,016,283,855,648/77,688,002.55
  6. Step 6: Final answer
    x = 71,182,371.83

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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.