Home / 240,672,709.71-361,043,342.75-74,690,555.21

Finding the Fourth Proportional to 240,672,709.71, 361,043,342.75 and 74,690,555.21

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Solution

The fourth proportional to 240,672,709.71, 361,043,342.75 and 74,690,555.21 is: 112,046,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,672,709.71 : 361,043,342.75 = 74,690,555.21 : x
  2. Step 2: Convert to fraction form
    240,672,709.71/361,043,342.75 = 74,690,555.21/x
  3. Step 3: Cross multiply
    240,672,709.71x = 361,043,342.75 × 74,690,555.21
  4. Step 4: Simplify right side
    240,672,709.71x = 26,966,527,722,693,160
  5. Step 5: Solve for x
    x = 26,966,527,722,693,160/240,672,709.71
  6. Step 6: Final answer
    x = 112,046,470.72

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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.