Home / 49,779,331.20-68,727,182.40-40,633,718.40

Finding the Fourth Proportional to 49,779,331.20, 68,727,182.40 and 40,633,718.40

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Solution

The fourth proportional to 49,779,331.20, 68,727,182.40 and 40,633,718.40 is: 56,100,411.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,779,331.20 : 68,727,182.40 = 40,633,718.40 : x
  2. Step 2: Convert to fraction form
    49,779,331.20/68,727,182.40 = 40,633,718.40/x
  3. Step 3: Cross multiply
    49,779,331.20x = 68,727,182.40 × 40,633,718.40
  4. Step 4: Simplify right side
    49,779,331.20x = 2,792,640,976,067,036.50
  5. Step 5: Solve for x
    x = 2,792,640,976,067,036.50/49,779,331.20
  6. Step 6: Final answer
    x = 56,100,411.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.