Home / 78,995,197.26-108,965,704.86-52,172,692.02

Finding the Fourth Proportional to 78,995,197.26, 108,965,704.86 and 52,172,692.02

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Solution

The fourth proportional to 78,995,197.26, 108,965,704.86 and 52,172,692.02 is: 71,966,832.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,995,197.26 : 108,965,704.86 = 52,172,692.02 : x
  2. Step 2: Convert to fraction form
    78,995,197.26/108,965,704.86 = 52,172,692.02/x
  3. Step 3: Cross multiply
    78,995,197.26x = 108,965,704.86 × 52,172,692.02
  4. Step 4: Simplify right side
    78,995,197.26x = 5,685,034,160,402,998
  5. Step 5: Solve for x
    x = 5,685,034,160,402,998/78,995,197.26
  6. Step 6: Final answer
    x = 71,966,832.89

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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.