Home / 220,332,608.55-330,486,952.65-66,966,707.57

Finding the Fourth Proportional to 220,332,608.55, 330,486,952.65 and 66,966,707.57

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Solution

The fourth proportional to 220,332,608.55, 330,486,952.65 and 66,966,707.57 is: 100,446,426.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,332,608.55 : 330,486,952.65 = 66,966,707.57 : x
  2. Step 2: Convert to fraction form
    220,332,608.55/330,486,952.65 = 66,966,707.57/x
  3. Step 3: Cross multiply
    220,332,608.55x = 330,486,952.65 × 66,966,707.57
  4. Step 4: Simplify right side
    220,332,608.55x = 22,131,623,112,160,548
  5. Step 5: Solve for x
    x = 22,131,623,112,160,548/220,332,608.55
  6. Step 6: Final answer
    x = 100,446,426.24

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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.