Home / 79,817,561.25-119,787,451.06-36,129,000.56

Finding the Fourth Proportional to 79,817,561.25, 119,787,451.06 and 36,129,000.56

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Solution

The fourth proportional to 79,817,561.25, 119,787,451.06 and 36,129,000.56 is: 54,221,161.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,817,561.25 : 119,787,451.06 = 36,129,000.56 : x
  2. Step 2: Convert to fraction form
    79,817,561.25/119,787,451.06 = 36,129,000.56/x
  3. Step 3: Cross multiply
    79,817,561.25x = 119,787,451.06 × 36,129,000.56
  4. Step 4: Simplify right side
    79,817,561.25x = 4,327,800,885,648,130.50
  5. Step 5: Solve for x
    x = 4,327,800,885,648,130.50/79,817,561.25
  6. Step 6: Final answer
    x = 54,221,161.59

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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.