Home / 79,042,947.20-118,564,420.80-53,496,195.20

Finding the Fourth Proportional to 79,042,947.20, 118,564,420.80 and 53,496,195.20

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Solution

The fourth proportional to 79,042,947.20, 118,564,420.80 and 53,496,195.20 is: 80,244,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,042,947.20 : 118,564,420.80 = 53,496,195.20 : x
  2. Step 2: Convert to fraction form
    79,042,947.20/118,564,420.80 = 53,496,195.20/x
  3. Step 3: Cross multiply
    79,042,947.20x = 118,564,420.80 × 53,496,195.20
  4. Step 4: Simplify right side
    79,042,947.20x = 6,342,745,398,891,740
  5. Step 5: Solve for x
    x = 6,342,745,398,891,740/79,042,947.20
  6. Step 6: Final answer
    x = 80,244,292.80

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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.