Home / 112,339,243.20-168,508,864.80-63,798,340.80

Finding the Fourth Proportional to 112,339,243.20, 168,508,864.80 and 63,798,340.80

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Solution

The fourth proportional to 112,339,243.20, 168,508,864.80 and 63,798,340.80 is: 95,697,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,339,243.20 : 168,508,864.80 = 63,798,340.80 : x
  2. Step 2: Convert to fraction form
    112,339,243.20/168,508,864.80 = 63,798,340.80/x
  3. Step 3: Cross multiply
    112,339,243.20x = 168,508,864.80 × 63,798,340.80
  4. Step 4: Simplify right side
    112,339,243.20x = 10,750,585,984,331,524
  5. Step 5: Solve for x
    x = 10,750,585,984,331,524/112,339,243.20
  6. Step 6: Final answer
    x = 95,697,511.20

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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.