Home / 80,903,078.71-121,440,977.70-34,867,666.69

Finding the Fourth Proportional to 80,903,078.71, 121,440,977.70 and 34,867,666.69

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Solution

The fourth proportional to 80,903,078.71, 121,440,977.70 and 34,867,666.69 is: 52,338,719.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,903,078.71 : 121,440,977.70 = 34,867,666.69 : x
  2. Step 2: Convert to fraction form
    80,903,078.71/121,440,977.70 = 34,867,666.69/x
  3. Step 3: Cross multiply
    80,903,078.71x = 121,440,977.70 × 34,867,666.69
  4. Step 4: Simplify right side
    80,903,078.71x = 4,234,363,532,951,322.50
  5. Step 5: Solve for x
    x = 4,234,363,532,951,322.50/80,903,078.71
  6. Step 6: Final answer
    x = 52,338,719.37

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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.