Home / 115,941,766.82-159,998,695.08-63,730,247.36

Finding the Fourth Proportional to 115,941,766.82, 159,998,695.08 and 63,730,247.36

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Solution

The fourth proportional to 115,941,766.82, 159,998,695.08 and 63,730,247.36 is: 87,947,222.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,941,766.82 : 159,998,695.08 = 63,730,247.36 : x
  2. Step 2: Convert to fraction form
    115,941,766.82/159,998,695.08 = 63,730,247.36/x
  3. Step 3: Cross multiply
    115,941,766.82x = 159,998,695.08 × 63,730,247.36
  4. Step 4: Simplify right side
    115,941,766.82x = 10,196,756,414,725,616
  5. Step 5: Solve for x
    x = 10,196,756,414,725,616/115,941,766.82
  6. Step 6: Final answer
    x = 87,947,222.94

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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.