Home / 79,727,471.20-119,591,206.80-43,353,287.20

Finding the Fourth Proportional to 79,727,471.20, 119,591,206.80 and 43,353,287.20

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Solution

The fourth proportional to 79,727,471.20, 119,591,206.80 and 43,353,287.20 is: 65,029,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,727,471.20 : 119,591,206.80 = 43,353,287.20 : x
  2. Step 2: Convert to fraction form
    79,727,471.20/119,591,206.80 = 43,353,287.20/x
  3. Step 3: Cross multiply
    79,727,471.20x = 119,591,206.80 × 43,353,287.20
  4. Step 4: Simplify right side
    79,727,471.20x = 5,184,671,934,994,993
  5. Step 5: Solve for x
    x = 5,184,671,934,994,993/79,727,471.20
  6. Step 6: Final answer
    x = 65,029,930.80

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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.