Home / 84,145,417.20-126,218,125.80-38,795,785.20

Finding the Fourth Proportional to 84,145,417.20, 126,218,125.80 and 38,795,785.20

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Solution

The fourth proportional to 84,145,417.20, 126,218,125.80 and 38,795,785.20 is: 58,193,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,145,417.20 : 126,218,125.80 = 38,795,785.20 : x
  2. Step 2: Convert to fraction form
    84,145,417.20/126,218,125.80 = 38,795,785.20/x
  3. Step 3: Cross multiply
    84,145,417.20x = 126,218,125.80 × 38,795,785.20
  4. Step 4: Simplify right side
    84,145,417.20x = 4,896,731,296,883,378
  5. Step 5: Solve for x
    x = 4,896,731,296,883,378/84,145,417.20
  6. Step 6: Final answer
    x = 58,193,677.80

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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.