Home / 79,863,016.85-119,807,762.20-28,034,171.81

Finding the Fourth Proportional to 79,863,016.85, 119,807,762.20 and 28,034,171.81

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Solution

The fourth proportional to 79,863,016.85, 119,807,762.20 and 28,034,171.81 is: 42,055,904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,863,016.85 : 119,807,762.20 = 28,034,171.81 : x
  2. Step 2: Convert to fraction form
    79,863,016.85/119,807,762.20 = 28,034,171.81/x
  3. Step 3: Cross multiply
    79,863,016.85x = 119,807,762.20 × 28,034,171.81
  4. Step 4: Simplify right side
    79,863,016.85x = 3,358,711,389,882,374
  5. Step 5: Solve for x
    x = 3,358,711,389,882,374/79,863,016.85
  6. Step 6: Final answer
    x = 42,055,904.25

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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.