Home / 87,822,666.72-121,155,536.16-53,004,227.04

Finding the Fourth Proportional to 87,822,666.72, 121,155,536.16 and 53,004,227.04

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Solution

The fourth proportional to 87,822,666.72, 121,155,536.16 and 53,004,227.04 is: 73,121,846.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,822,666.72 : 121,155,536.16 = 53,004,227.04 : x
  2. Step 2: Convert to fraction form
    87,822,666.72/121,155,536.16 = 53,004,227.04/x
  3. Step 3: Cross multiply
    87,822,666.72x = 121,155,536.16 × 53,004,227.04
  4. Step 4: Simplify right side
    87,822,666.72x = 6,421,755,545,777,569
  5. Step 5: Solve for x
    x = 6,421,755,545,777,569/87,822,666.72
  6. Step 6: Final answer
    x = 73,121,846.39

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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.