Home / 126,023,639.76-173,944,981.08-82,080,141.84

Finding the Fourth Proportional to 126,023,639.76, 173,944,981.08 and 82,080,141.84

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Solution

The fourth proportional to 126,023,639.76, 173,944,981.08 and 82,080,141.84 is: 113,291,670.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,023,639.76 : 173,944,981.08 = 82,080,141.84 : x
  2. Step 2: Convert to fraction form
    126,023,639.76/173,944,981.08 = 82,080,141.84/x
  3. Step 3: Cross multiply
    126,023,639.76x = 173,944,981.08 × 82,080,141.84
  4. Step 4: Simplify right side
    126,023,639.76x = 14,277,428,719,402,518
  5. Step 5: Solve for x
    x = 14,277,428,719,402,518/126,023,639.76
  6. Step 6: Final answer
    x = 113,291,670.88

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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.