Home / 218,509,309.20-327,763,963.80-194,700,752.40

Finding the Fourth Proportional to 218,509,309.20, 327,763,963.80 and 194,700,752.40

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Solution

The fourth proportional to 218,509,309.20, 327,763,963.80 and 194,700,752.40 is: 292,051,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,509,309.20 : 327,763,963.80 = 194,700,752.40 : x
  2. Step 2: Convert to fraction form
    218,509,309.20/327,763,963.80 = 194,700,752.40/x
  3. Step 3: Cross multiply
    218,509,309.20x = 327,763,963.80 × 194,700,752.40
  4. Step 4: Simplify right side
    218,509,309.20x = 63,815,890,361,466,368
  5. Step 5: Solve for x
    x = 63,815,890,361,466,368/218,509,309.20
  6. Step 6: Final answer
    x = 292,051,128.60

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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.