Home / 52,027,079.29-71,801,778.41-28,829,482.81

Finding the Fourth Proportional to 52,027,079.29, 71,801,778.41 and 28,829,482.81

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Solution

The fourth proportional to 52,027,079.29, 71,801,778.41 and 28,829,482.81 is: 39,787,129.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,027,079.29 : 71,801,778.41 = 28,829,482.81 : x
  2. Step 2: Convert to fraction form
    52,027,079.29/71,801,778.41 = 28,829,482.81/x
  3. Step 3: Cross multiply
    52,027,079.29x = 71,801,778.41 × 28,829,482.81
  4. Step 4: Simplify right side
    52,027,079.29x = 2,070,008,136,182,982.75
  5. Step 5: Solve for x
    x = 2,070,008,136,182,982.75/52,027,079.29
  6. Step 6: Final answer
    x = 39,787,129.41

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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.