Home / 63,987,311.80-95,980,967.70-28,085,519.80

Finding the Fourth Proportional to 63,987,311.80, 95,980,967.70 and 28,085,519.80

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Solution

The fourth proportional to 63,987,311.80, 95,980,967.70 and 28,085,519.80 is: 42,128,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,987,311.80 : 95,980,967.70 = 28,085,519.80 : x
  2. Step 2: Convert to fraction form
    63,987,311.80/95,980,967.70 = 28,085,519.80/x
  3. Step 3: Cross multiply
    63,987,311.80x = 95,980,967.70 × 28,085,519.80
  4. Step 4: Simplify right side
    63,987,311.80x = 2,695,675,368,761,510.50
  5. Step 5: Solve for x
    x = 2,695,675,368,761,510.50/63,987,311.80
  6. Step 6: Final answer
    x = 42,128,279.70

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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.