Home / 170,131,320.80-255,196,981.20-83,911,032.80

Finding the Fourth Proportional to 170,131,320.80, 255,196,981.20 and 83,911,032.80

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Solution

The fourth proportional to 170,131,320.80, 255,196,981.20 and 83,911,032.80 is: 125,866,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,131,320.80 : 255,196,981.20 = 83,911,032.80 : x
  2. Step 2: Convert to fraction form
    170,131,320.80/255,196,981.20 = 83,911,032.80/x
  3. Step 3: Cross multiply
    170,131,320.80x = 255,196,981.20 × 83,911,032.80
  4. Step 4: Simplify right side
    170,131,320.80x = 21,413,842,259,934,180
  5. Step 5: Solve for x
    x = 21,413,842,259,934,180/170,131,320.80
  6. Step 6: Final answer
    x = 125,866,549.20

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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.