Home / 79,991,423.28-119,993,356.08-26,144,178.48

Finding the Fourth Proportional to 79,991,423.28, 119,993,356.08 and 26,144,178.48

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Solution

The fourth proportional to 79,991,423.28, 119,993,356.08 and 26,144,178.48 is: 39,218,301.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,991,423.28 : 119,993,356.08 = 26,144,178.48 : x
  2. Step 2: Convert to fraction form
    79,991,423.28/119,993,356.08 = 26,144,178.48/x
  3. Step 3: Cross multiply
    79,991,423.28x = 119,993,356.08 × 26,144,178.48
  4. Step 4: Simplify right side
    79,991,423.28x = 3,137,127,717,769,713
  5. Step 5: Solve for x
    x = 3,137,127,717,769,713/79,991,423.28
  6. Step 6: Final answer
    x = 39,218,301.03

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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.