Home / 88,207,470.86-121,726,410.71-49,048,406.85

Finding the Fourth Proportional to 88,207,470.86, 121,726,410.71 and 49,048,406.85

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Solution

The fourth proportional to 88,207,470.86, 121,726,410.71 and 49,048,406.85 is: 67,686,857.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,207,470.86 : 121,726,410.71 = 49,048,406.85 : x
  2. Step 2: Convert to fraction form
    88,207,470.86/121,726,410.71 = 49,048,406.85/x
  3. Step 3: Cross multiply
    88,207,470.86x = 121,726,410.71 × 49,048,406.85
  4. Step 4: Simplify right side
    88,207,470.86x = 5,970,486,516,420,676
  5. Step 5: Solve for x
    x = 5,970,486,516,420,676/88,207,470.86
  6. Step 6: Final answer
    x = 67,686,857.57

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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.