Home / 79,824,016.80-119,736,025.20-25,971,328.80

Finding the Fourth Proportional to 79,824,016.80, 119,736,025.20 and 25,971,328.80

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Solution

The fourth proportional to 79,824,016.80, 119,736,025.20 and 25,971,328.80 is: 38,956,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,824,016.80 : 119,736,025.20 = 25,971,328.80 : x
  2. Step 2: Convert to fraction form
    79,824,016.80/119,736,025.20 = 25,971,328.80/x
  3. Step 3: Cross multiply
    79,824,016.80x = 119,736,025.20 × 25,971,328.80
  4. Step 4: Simplify right side
    79,824,016.80x = 3,109,703,679,674,286
  5. Step 5: Solve for x
    x = 3,109,703,679,674,286/79,824,016.80
  6. Step 6: Final answer
    x = 38,956,993.20

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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.