Home / 79,234,810.20-118,852,215.30-54,575,947.80

Finding the Fourth Proportional to 79,234,810.20, 118,852,215.30 and 54,575,947.80

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Solution

The fourth proportional to 79,234,810.20, 118,852,215.30 and 54,575,947.80 is: 81,863,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,234,810.20 : 118,852,215.30 = 54,575,947.80 : x
  2. Step 2: Convert to fraction form
    79,234,810.20/118,852,215.30 = 54,575,947.80/x
  3. Step 3: Cross multiply
    79,234,810.20x = 118,852,215.30 × 54,575,947.80
  4. Step 4: Simplify right side
    79,234,810.20x = 6,486,472,298,127,161
  5. Step 5: Solve for x
    x = 6,486,472,298,127,161/79,234,810.20
  6. Step 6: Final answer
    x = 81,863,921.70

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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.