Home / 128,585,112.80-192,877,669.20-32,847,000.80

Finding the Fourth Proportional to 128,585,112.80, 192,877,669.20 and 32,847,000.80

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Solution

The fourth proportional to 128,585,112.80, 192,877,669.20 and 32,847,000.80 is: 49,270,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,585,112.80 : 192,877,669.20 = 32,847,000.80 : x
  2. Step 2: Convert to fraction form
    128,585,112.80/192,877,669.20 = 32,847,000.80/x
  3. Step 3: Cross multiply
    128,585,112.80x = 192,877,669.20 × 32,847,000.80
  4. Step 4: Simplify right side
    128,585,112.80x = 6,335,452,954,514,535
  5. Step 5: Solve for x
    x = 6,335,452,954,514,535/128,585,112.80
  6. Step 6: Final answer
    x = 49,270,501.20

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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.