Home / 118,288,073.85-176,694,470.69-87,642,507.81

Finding the Fourth Proportional to 118,288,073.85, 176,694,470.69 and 87,642,507.81

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Solution

The fourth proportional to 118,288,073.85, 176,694,470.69 and 87,642,507.81 is: 130,917,226.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,288,073.85 : 176,694,470.69 = 87,642,507.81 : x
  2. Step 2: Convert to fraction form
    118,288,073.85/176,694,470.69 = 87,642,507.81/x
  3. Step 3: Cross multiply
    118,288,073.85x = 176,694,470.69 × 87,642,507.81
  4. Step 4: Simplify right side
    118,288,073.85x = 15,485,946,526,993,930
  5. Step 5: Solve for x
    x = 15,485,946,526,993,930/118,288,073.85
  6. Step 6: Final answer
    x = 130,917,226.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.