Home / 79,820,296.20-119,761,937.10-31,289,891.40

Finding the Fourth Proportional to 79,820,296.20, 119,761,937.10 and 31,289,891.40

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Solution

The fourth proportional to 79,820,296.20, 119,761,937.10 and 31,289,891.40 is: 46,947,182.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,820,296.20 : 119,761,937.10 = 31,289,891.40 : x
  2. Step 2: Convert to fraction form
    79,820,296.20/119,761,937.10 = 31,289,891.40/x
  3. Step 3: Cross multiply
    79,820,296.20x = 119,761,937.10 × 31,289,891.40
  4. Step 4: Simplify right side
    79,820,296.20x = 3,747,338,005,712,630.50
  5. Step 5: Solve for x
    x = 3,747,338,005,712,630.50/79,820,296.20
  6. Step 6: Final answer
    x = 46,947,182.41

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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.