Home / 170,131,398.80-255,197,098.20-83,911,110.80

Finding the Fourth Proportional to 170,131,398.80, 255,197,098.20 and 83,911,110.80

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Solution

The fourth proportional to 170,131,398.80, 255,197,098.20 and 83,911,110.80 is: 125,866,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,131,398.80 : 255,197,098.20 = 83,911,110.80 : x
  2. Step 2: Convert to fraction form
    170,131,398.80/255,197,098.20 = 83,911,110.80/x
  3. Step 3: Cross multiply
    170,131,398.80x = 255,197,098.20 × 83,911,110.80
  4. Step 4: Simplify right side
    170,131,398.80x = 21,413,871,982,898,680
  5. Step 5: Solve for x
    x = 21,413,871,982,898,680/170,131,398.80
  6. Step 6: Final answer
    x = 125,866,666.20

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1.5x scale

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.