Home / 115,941,726.82-159,998,639.88-63,730,207.36

Finding the Fourth Proportional to 115,941,726.82, 159,998,639.88 and 63,730,207.36

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Solution

The fourth proportional to 115,941,726.82, 159,998,639.88 and 63,730,207.36 is: 87,947,167.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,941,726.82 : 159,998,639.88 = 63,730,207.36 : x
  2. Step 2: Convert to fraction form
    115,941,726.82/159,998,639.88 = 63,730,207.36/x
  3. Step 3: Cross multiply
    115,941,726.82x = 159,998,639.88 × 63,730,207.36
  4. Step 4: Simplify right side
    115,941,726.82x = 10,196,746,496,870,366
  5. Step 5: Solve for x
    x = 10,196,746,496,870,366/115,941,726.82
  6. Step 6: Final answer
    x = 87,947,167.74

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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.