Home / 118,137,118.88-163,029,253.61-65,213,857.28

Finding the Fourth Proportional to 118,137,118.88, 163,029,253.61 and 65,213,857.28

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Solution

The fourth proportional to 118,137,118.88, 163,029,253.61 and 65,213,857.28 is: 89,995,139.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,137,118.88 : 163,029,253.61 = 65,213,857.28 : x
  2. Step 2: Convert to fraction form
    118,137,118.88/163,029,253.61 = 65,213,857.28/x
  3. Step 3: Cross multiply
    118,137,118.88x = 163,029,253.61 × 65,213,857.28
  4. Step 4: Simplify right side
    118,137,118.88x = 10,631,766,476,246,248
  5. Step 5: Solve for x
    x = 10,631,766,476,246,248/118,137,118.88
  6. Step 6: Final answer
    x = 89,995,139.36

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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.