Home / 87,808,341-121,175,510.58-49,177,173

Finding the Fourth Proportional to 87,808,341, 121,175,510.58 and 49,177,173

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Solution

The fourth proportional to 87,808,341, 121,175,510.58 and 49,177,173 is: 67,864,498.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,808,341 : 121,175,510.58 = 49,177,173 : x
  2. Step 2: Convert to fraction form
    87,808,341/121,175,510.58 = 49,177,173/x
  3. Step 3: Cross multiply
    87,808,341x = 121,175,510.58 × 49,177,173
  4. Step 4: Simplify right side
    87,808,341x = 5,959,069,047,155,990
  5. Step 5: Solve for x
    x = 5,959,069,047,155,990/87,808,341
  6. Step 6: Final answer
    x = 67,864,498.74

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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.