Home / 73,386,739.80-110,079,672.30-18,799,219.80

Finding the Fourth Proportional to 73,386,739.80, 110,079,672.30 and 18,799,219.80

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Solution

The fourth proportional to 73,386,739.80, 110,079,672.30 and 18,799,219.80 is: 28,198,717.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,386,739.80 : 110,079,672.30 = 18,799,219.80 : x
  2. Step 2: Convert to fraction form
    73,386,739.80/110,079,672.30 = 18,799,219.80/x
  3. Step 3: Cross multiply
    73,386,739.80x = 110,079,672.30 × 18,799,219.80
  4. Step 4: Simplify right side
    73,386,739.80x = 2,069,411,955,079,671.50
  5. Step 5: Solve for x
    x = 2,069,411,955,079,671.50/73,386,739.80
  6. Step 6: Final answer
    x = 28,198,717.65

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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.