Home / 129,526,404-178,729,167.84-83,179,436.16

Finding the Fourth Proportional to 129,526,404, 178,729,167.84 and 83,179,436.16

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Solution

The fourth proportional to 129,526,404, 178,729,167.84 and 83,179,436.16 is: 114,776,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,526,404 : 178,729,167.84 = 83,179,436.16 : x
  2. Step 2: Convert to fraction form
    129,526,404/178,729,167.84 = 83,179,436.16/x
  3. Step 3: Cross multiply
    129,526,404x = 178,729,167.84 × 83,179,436.16
  4. Step 4: Simplify right side
    129,526,404x = 14,866,591,406,277,204
  5. Step 5: Solve for x
    x = 14,866,591,406,277,204/129,526,404
  6. Step 6: Final answer
    x = 114,776,531.64

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1.5x scale

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.