Home / 154,387,313.20-231,580,969.80-132,863,952.70

Finding the Fourth Proportional to 154,387,313.20, 231,580,969.80 and 132,863,952.70

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Solution

The fourth proportional to 154,387,313.20, 231,580,969.80 and 132,863,952.70 is: 199,295,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,387,313.20 : 231,580,969.80 = 132,863,952.70 : x
  2. Step 2: Convert to fraction form
    154,387,313.20/231,580,969.80 = 132,863,952.70/x
  3. Step 3: Cross multiply
    154,387,313.20x = 231,580,969.80 × 132,863,952.70
  4. Step 4: Simplify right side
    154,387,313.20x = 30,768,763,017,727,332
  5. Step 5: Solve for x
    x = 30,768,763,017,727,332/154,387,313.20
  6. Step 6: Final answer
    x = 199,295,929.05

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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.