Home / 86,548,041.42-129,615,973.71-50,079,575.85

Finding the Fourth Proportional to 86,548,041.42, 129,615,973.71 and 50,079,575.85

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Solution

The fourth proportional to 86,548,041.42, 129,615,973.71 and 50,079,575.85 is: 75,000,114.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,548,041.42 : 129,615,973.71 = 50,079,575.85 : x
  2. Step 2: Convert to fraction form
    86,548,041.42/129,615,973.71 = 50,079,575.85/x
  3. Step 3: Cross multiply
    86,548,041.42x = 129,615,973.71 × 50,079,575.85
  4. Step 4: Simplify right side
    86,548,041.42x = 6,491,112,986,781,551
  5. Step 5: Solve for x
    x = 6,491,112,986,781,551/86,548,041.42
  6. Step 6: Final answer
    x = 75,000,114.16

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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.