Home / 48,478,851.90-72,718,277.85-30,338,999.10

Finding the Fourth Proportional to 48,478,851.90, 72,718,277.85 and 30,338,999.10

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Solution

The fourth proportional to 48,478,851.90, 72,718,277.85 and 30,338,999.10 is: 45,508,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,478,851.90 : 72,718,277.85 = 30,338,999.10 : x
  2. Step 2: Convert to fraction form
    48,478,851.90/72,718,277.85 = 30,338,999.10/x
  3. Step 3: Cross multiply
    48,478,851.90x = 72,718,277.85 × 30,338,999.10
  4. Step 4: Simplify right side
    48,478,851.90x = 2,206,199,766,244,699.75
  5. Step 5: Solve for x
    x = 2,206,199,766,244,699.75/48,478,851.90
  6. Step 6: Final answer
    x = 45,508,498.65

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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.