Home / 43,754,776.80-65,632,165.20-30,989,695.20

Finding the Fourth Proportional to 43,754,776.80, 65,632,165.20 and 30,989,695.20

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Solution

The fourth proportional to 43,754,776.80, 65,632,165.20 and 30,989,695.20 is: 46,484,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,754,776.80 : 65,632,165.20 = 30,989,695.20 : x
  2. Step 2: Convert to fraction form
    43,754,776.80/65,632,165.20 = 30,989,695.20/x
  3. Step 3: Cross multiply
    43,754,776.80x = 65,632,165.20 × 30,989,695.20
  4. Step 4: Simplify right side
    43,754,776.80x = 2,033,920,794,864,047
  5. Step 5: Solve for x
    x = 2,033,920,794,864,047/43,754,776.80
  6. Step 6: Final answer
    x = 46,484,542.80

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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.