Home / 52,956,720.80-79,435,081.20-18,865,764.80

Finding the Fourth Proportional to 52,956,720.80, 79,435,081.20 and 18,865,764.80

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Solution

The fourth proportional to 52,956,720.80, 79,435,081.20 and 18,865,764.80 is: 28,298,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,956,720.80 : 79,435,081.20 = 18,865,764.80 : x
  2. Step 2: Convert to fraction form
    52,956,720.80/79,435,081.20 = 18,865,764.80/x
  3. Step 3: Cross multiply
    52,956,720.80x = 79,435,081.20 × 18,865,764.80
  4. Step 4: Simplify right side
    52,956,720.80x = 1,498,603,558,788,102
  5. Step 5: Solve for x
    x = 1,498,603,558,788,102/52,956,720.80
  6. Step 6: Final answer
    x = 28,298,647.20

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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.