Home / 79,950,069.12-119,578,898.85-47,082,290.87

Finding the Fourth Proportional to 79,950,069.12, 119,578,898.85 and 47,082,290.87

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Solution

The fourth proportional to 79,950,069.12, 119,578,898.85 and 47,082,290.87 is: 70,419,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,950,069.12 : 119,578,898.85 = 47,082,290.87 : x
  2. Step 2: Convert to fraction form
    79,950,069.12/119,578,898.85 = 47,082,290.87/x
  3. Step 3: Cross multiply
    79,950,069.12x = 119,578,898.85 × 47,082,290.87
  4. Step 4: Simplify right side
    79,950,069.12x = 5,630,048,497,452,302
  5. Step 5: Solve for x
    x = 5,630,048,497,452,302/79,950,069.12
  6. Step 6: Final answer
    x = 70,419,557.60

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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.