Home / 42,231,638.20-63,347,457.30-33,161,711.80

Finding the Fourth Proportional to 42,231,638.20, 63,347,457.30 and 33,161,711.80

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Solution

The fourth proportional to 42,231,638.20, 63,347,457.30 and 33,161,711.80 is: 49,742,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,231,638.20 : 63,347,457.30 = 33,161,711.80 : x
  2. Step 2: Convert to fraction form
    42,231,638.20/63,347,457.30 = 33,161,711.80/x
  3. Step 3: Cross multiply
    42,231,638.20x = 63,347,457.30 × 33,161,711.80
  4. Step 4: Simplify right side
    42,231,638.20x = 2,100,710,122,245,406
  5. Step 5: Solve for x
    x = 2,100,710,122,245,406/42,231,638.20
  6. Step 6: Final answer
    x = 49,742,567.70

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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.