Home / 57,353,043.20-86,129,097.60-30,479,187.20

Finding the Fourth Proportional to 57,353,043.20, 86,129,097.60 and 30,479,187.20

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Solution

The fourth proportional to 57,353,043.20, 86,129,097.60 and 30,479,187.20 is: 45,771,675.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,353,043.20 : 86,129,097.60 = 30,479,187.20 : x
  2. Step 2: Convert to fraction form
    57,353,043.20/86,129,097.60 = 30,479,187.20/x
  3. Step 3: Cross multiply
    57,353,043.20x = 86,129,097.60 × 30,479,187.20
  4. Step 4: Simplify right side
    57,353,043.20x = 2,625,144,889,117,470.50
  5. Step 5: Solve for x
    x = 2,625,144,889,117,470.50/57,353,043.20
  6. Step 6: Final answer
    x = 45,771,675.62

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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.