Home / 79,863,086.50-119,807,866.57-28,034,241.42

Finding the Fourth Proportional to 79,863,086.50, 119,807,866.57 and 28,034,241.42

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Solution

The fourth proportional to 79,863,086.50, 119,807,866.57 and 28,034,241.42 is: 42,056,008.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,863,086.50 : 119,807,866.57 = 28,034,241.42 : x
  2. Step 2: Convert to fraction form
    79,863,086.50/119,807,866.57 = 28,034,241.42/x
  3. Step 3: Cross multiply
    79,863,086.50x = 119,807,866.57 × 28,034,241.42
  4. Step 4: Simplify right side
    79,863,086.50x = 3,358,722,655,438,527.50
  5. Step 5: Solve for x
    x = 3,358,722,655,438,527.50/79,863,086.50
  6. Step 6: Final answer
    x = 42,056,008.63

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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.