Home / 218,284,730.70-327,472,585.65-72,763,500.30

Finding the Fourth Proportional to 218,284,730.70, 327,472,585.65 and 72,763,500.30

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Solution

The fourth proportional to 218,284,730.70, 327,472,585.65 and 72,763,500.30 is: 109,160,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,284,730.70 : 327,472,585.65 = 72,763,500.30 : x
  2. Step 2: Convert to fraction form
    218,284,730.70/327,472,585.65 = 72,763,500.30/x
  3. Step 3: Cross multiply
    218,284,730.70x = 327,472,585.65 × 72,763,500.30
  4. Step 4: Simplify right side
    218,284,730.70x = 23,828,051,584,185,548
  5. Step 5: Solve for x
    x = 23,828,051,584,185,548/218,284,730.70
  6. Step 6: Final answer
    x = 109,160,414.05

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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.