Home / 355,298,615.20-532,947,922.80-112,986,013.60

Finding the Fourth Proportional to 355,298,615.20, 532,947,922.80 and 112,986,013.60

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Solution

The fourth proportional to 355,298,615.20, 532,947,922.80 and 112,986,013.60 is: 169,479,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,298,615.20 : 532,947,922.80 = 112,986,013.60 : x
  2. Step 2: Convert to fraction form
    355,298,615.20/532,947,922.80 = 112,986,013.60/x
  3. Step 3: Cross multiply
    355,298,615.20x = 532,947,922.80 × 112,986,013.60
  4. Step 4: Simplify right side
    355,298,615.20x = 60,215,661,253,572,552
  5. Step 5: Solve for x
    x = 60,215,661,253,572,552/355,298,615.20
  6. Step 6: Final answer
    x = 169,479,020.40

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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.