Home / 49,966,851.20-74,950,276.80-38,615,446.40

Finding the Fourth Proportional to 49,966,851.20, 74,950,276.80 and 38,615,446.40

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Solution

The fourth proportional to 49,966,851.20, 74,950,276.80 and 38,615,446.40 is: 57,923,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,966,851.20 : 74,950,276.80 = 38,615,446.40 : x
  2. Step 2: Convert to fraction form
    49,966,851.20/74,950,276.80 = 38,615,446.40/x
  3. Step 3: Cross multiply
    49,966,851.20x = 74,950,276.80 × 38,615,446.40
  4. Step 4: Simplify right side
    49,966,851.20x = 2,894,238,396,435,563.50
  5. Step 5: Solve for x
    x = 2,894,238,396,435,563.50/49,966,851.20
  6. Step 6: Final answer
    x = 57,923,169.60

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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.