Home / 228,177,079.20-342,265,618.80-137,477,815.20

Finding the Fourth Proportional to 228,177,079.20, 342,265,618.80 and 137,477,815.20

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Solution

The fourth proportional to 228,177,079.20, 342,265,618.80 and 137,477,815.20 is: 206,216,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,177,079.20 : 342,265,618.80 = 137,477,815.20 : x
  2. Step 2: Convert to fraction form
    228,177,079.20/342,265,618.80 = 137,477,815.20/x
  3. Step 3: Cross multiply
    228,177,079.20x = 342,265,618.80 × 137,477,815.20
  4. Step 4: Simplify right side
    228,177,079.20x = 47,053,929,490,700,040
  5. Step 5: Solve for x
    x = 47,053,929,490,700,040/228,177,079.20
  6. Step 6: Final answer
    x = 206,216,722.80

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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.