Home / 87,822,655.72-121,155,520.98-53,004,216.04

Finding the Fourth Proportional to 87,822,655.72, 121,155,520.98 and 53,004,216.04

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Solution

The fourth proportional to 87,822,655.72, 121,155,520.98 and 53,004,216.04 is: 73,121,831.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,822,655.72 : 121,155,520.98 = 53,004,216.04 : x
  2. Step 2: Convert to fraction form
    87,822,655.72/121,155,520.98 = 53,004,216.04/x
  3. Step 3: Cross multiply
    87,822,655.72x = 121,155,520.98 × 53,004,216.04
  4. Step 4: Simplify right side
    87,822,655.72x = 6,421,753,408,462,673
  5. Step 5: Solve for x
    x = 6,421,753,408,462,673/87,822,655.72
  6. Step 6: Final answer
    x = 73,121,831.22

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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.