Home / 102,117,464.64-141,518,275.92-100,179,608.64

Finding the Fourth Proportional to 102,117,464.64, 141,518,275.92 and 100,179,608.64

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Solution

The fourth proportional to 102,117,464.64, 141,518,275.92 and 100,179,608.64 is: 138,832,721.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,117,464.64 : 141,518,275.92 = 100,179,608.64 : x
  2. Step 2: Convert to fraction form
    102,117,464.64/141,518,275.92 = 100,179,608.64/x
  3. Step 3: Cross multiply
    102,117,464.64x = 141,518,275.92 × 100,179,608.64
  4. Step 4: Simplify right side
    102,117,464.64x = 14,177,245,497,073,134
  5. Step 5: Solve for x
    x = 14,177,245,497,073,134/102,117,464.64
  6. Step 6: Final answer
    x = 138,832,721.19

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.