Home / 87,808,355-121,175,529.90-49,177,187

Finding the Fourth Proportional to 87,808,355, 121,175,529.90 and 49,177,187

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Solution

The fourth proportional to 87,808,355, 121,175,529.90 and 49,177,187 is: 67,864,518.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,808,355 : 121,175,529.90 = 49,177,187 : x
  2. Step 2: Convert to fraction form
    87,808,355/121,175,529.90 = 49,177,187/x
  3. Step 3: Cross multiply
    87,808,355x = 121,175,529.90 × 49,177,187
  4. Step 4: Simplify right side
    87,808,355x = 5,959,071,693,716,392
  5. Step 5: Solve for x
    x = 5,959,071,693,716,392/87,808,355
  6. Step 6: Final answer
    x = 67,864,518.06

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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.