Home / 87,423,461.20-131,133,390.76-29,135,371.96

Finding the Fourth Proportional to 87,423,461.20, 131,133,390.76 and 29,135,371.96

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Solution

The fourth proportional to 87,423,461.20, 131,133,390.76 and 29,135,371.96 is: 43,702,457.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,423,461.20 : 131,133,390.76 = 29,135,371.96 : x
  2. Step 2: Convert to fraction form
    87,423,461.20/131,133,390.76 = 29,135,371.96/x
  3. Step 3: Cross multiply
    87,423,461.20x = 131,133,390.76 × 29,135,371.96
  4. Step 4: Simplify right side
    87,423,461.20x = 3,820,620,116,168,627.50
  5. Step 5: Solve for x
    x = 3,820,620,116,168,627.50/87,423,461.20
  6. Step 6: Final answer
    x = 43,702,457.71

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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.