Home / 84,564,378.80-126,846,568.20-57,283,740.80

Finding the Fourth Proportional to 84,564,378.80, 126,846,568.20 and 57,283,740.80

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Solution

The fourth proportional to 84,564,378.80, 126,846,568.20 and 57,283,740.80 is: 85,925,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,564,378.80 : 126,846,568.20 = 57,283,740.80 : x
  2. Step 2: Convert to fraction form
    84,564,378.80/126,846,568.20 = 57,283,740.80/x
  3. Step 3: Cross multiply
    84,564,378.80x = 126,846,568.20 × 57,283,740.80
  4. Step 4: Simplify right side
    84,564,378.80x = 7,266,245,934,138,322
  5. Step 5: Solve for x
    x = 7,266,245,934,138,322/84,564,378.80
  6. Step 6: Final answer
    x = 85,925,611.20

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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.