Home / 72,684,606.20-109,026,909.30-44,019,159.80

Finding the Fourth Proportional to 72,684,606.20, 109,026,909.30 and 44,019,159.80

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Solution

The fourth proportional to 72,684,606.20, 109,026,909.30 and 44,019,159.80 is: 66,028,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,684,606.20 : 109,026,909.30 = 44,019,159.80 : x
  2. Step 2: Convert to fraction form
    72,684,606.20/109,026,909.30 = 44,019,159.80/x
  3. Step 3: Cross multiply
    72,684,606.20x = 109,026,909.30 × 44,019,159.80
  4. Step 4: Simplify right side
    72,684,606.20x = 4,799,272,942,976,806
  5. Step 5: Solve for x
    x = 4,799,272,942,976,806/72,684,606.20
  6. Step 6: Final answer
    x = 66,028,739.70

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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.