Home / 87,808,332-121,175,498.16-49,177,164

Finding the Fourth Proportional to 87,808,332, 121,175,498.16 and 49,177,164

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Solution

The fourth proportional to 87,808,332, 121,175,498.16 and 49,177,164 is: 67,864,486.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,808,332 : 121,175,498.16 = 49,177,164 : x
  2. Step 2: Convert to fraction form
    87,808,332/121,175,498.16 = 49,177,164/x
  3. Step 3: Cross multiply
    87,808,332x = 121,175,498.16 × 49,177,164
  4. Step 4: Simplify right side
    87,808,332x = 5,959,067,345,796,018
  5. Step 5: Solve for x
    x = 5,959,067,345,796,018/87,808,332
  6. Step 6: Final answer
    x = 67,864,486.32

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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.