Home / 202,092,022.80-303,138,034.20-72,719,600.40

Finding the Fourth Proportional to 202,092,022.80, 303,138,034.20 and 72,719,600.40

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Solution

The fourth proportional to 202,092,022.80, 303,138,034.20 and 72,719,600.40 is: 109,079,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,092,022.80 : 303,138,034.20 = 72,719,600.40 : x
  2. Step 2: Convert to fraction form
    202,092,022.80/303,138,034.20 = 72,719,600.40/x
  3. Step 3: Cross multiply
    202,092,022.80x = 303,138,034.20 × 72,719,600.40
  4. Step 4: Simplify right side
    202,092,022.80x = 22,044,076,713,065,536
  5. Step 5: Solve for x
    x = 22,044,076,713,065,536/202,092,022.80
  6. Step 6: Final answer
    x = 109,079,400.60

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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.