Home / 192,170,012.80-288,255,019.20-88,539,017.80

Finding the Fourth Proportional to 192,170,012.80, 288,255,019.20 and 88,539,017.80

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Solution

The fourth proportional to 192,170,012.80, 288,255,019.20 and 88,539,017.80 is: 132,808,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,170,012.80 : 288,255,019.20 = 88,539,017.80 : x
  2. Step 2: Convert to fraction form
    192,170,012.80/288,255,019.20 = 88,539,017.80/x
  3. Step 3: Cross multiply
    192,170,012.80x = 288,255,019.20 × 88,539,017.80
  4. Step 4: Simplify right side
    192,170,012.80x = 25,521,816,275,888,140
  5. Step 5: Solve for x
    x = 25,521,816,275,888,140/192,170,012.80
  6. Step 6: Final answer
    x = 132,808,526.70

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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.