Home / 129,329,104.40-193,993,656.60-52,612,643.60

Finding the Fourth Proportional to 129,329,104.40, 193,993,656.60 and 52,612,643.60

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Solution

The fourth proportional to 129,329,104.40, 193,993,656.60 and 52,612,643.60 is: 78,918,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,329,104.40 : 193,993,656.60 = 52,612,643.60 : x
  2. Step 2: Convert to fraction form
    129,329,104.40/193,993,656.60 = 52,612,643.60/x
  3. Step 3: Cross multiply
    129,329,104.40x = 193,993,656.60 × 52,612,643.60
  4. Step 4: Simplify right side
    129,329,104.40x = 10,206,519,115,356,588
  5. Step 5: Solve for x
    x = 10,206,519,115,356,588/129,329,104.40
  6. Step 6: Final answer
    x = 78,918,965.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.