Home / 72,757,306.10-109,135,959.15-49,799,054.90

Finding the Fourth Proportional to 72,757,306.10, 109,135,959.15 and 49,799,054.90

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Solution

The fourth proportional to 72,757,306.10, 109,135,959.15 and 49,799,054.90 is: 74,698,582.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,757,306.10 : 109,135,959.15 = 49,799,054.90 : x
  2. Step 2: Convert to fraction form
    72,757,306.10/109,135,959.15 = 49,799,054.90/x
  3. Step 3: Cross multiply
    72,757,306.10x = 109,135,959.15 × 49,799,054.90
  4. Step 4: Simplify right side
    72,757,306.10x = 5,434,867,621,275,007
  5. Step 5: Solve for x
    x = 5,434,867,621,275,007/72,757,306.10
  6. Step 6: Final answer
    x = 74,698,582.35

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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.