Home / 48,491,353.70-72,737,030.55-43,230,087.80

Finding the Fourth Proportional to 48,491,353.70, 72,737,030.55 and 43,230,087.80

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Solution

The fourth proportional to 48,491,353.70, 72,737,030.55 and 43,230,087.80 is: 64,845,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,491,353.70 : 72,737,030.55 = 43,230,087.80 : x
  2. Step 2: Convert to fraction form
    48,491,353.70/72,737,030.55 = 43,230,087.80/x
  3. Step 3: Cross multiply
    48,491,353.70x = 72,737,030.55 × 43,230,087.80
  4. Step 4: Simplify right side
    48,491,353.70x = 3,144,428,216,987,782
  5. Step 5: Solve for x
    x = 3,144,428,216,987,782/48,491,353.70
  6. Step 6: Final answer
    x = 64,845,131.70

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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.