Home / 283,554,712.80-425,332,069.20-162,286,437.60

Finding the Fourth Proportional to 283,554,712.80, 425,332,069.20 and 162,286,437.60

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Solution

The fourth proportional to 283,554,712.80, 425,332,069.20 and 162,286,437.60 is: 243,429,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,554,712.80 : 425,332,069.20 = 162,286,437.60 : x
  2. Step 2: Convert to fraction form
    283,554,712.80/425,332,069.20 = 162,286,437.60/x
  3. Step 3: Cross multiply
    283,554,712.80x = 425,332,069.20 × 162,286,437.60
  4. Step 4: Simplify right side
    283,554,712.80x = 69,025,626,307,504,680
  5. Step 5: Solve for x
    x = 69,025,626,307,504,680/283,554,712.80
  6. Step 6: Final answer
    x = 243,429,656.40

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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.