Home / 71,134,347.12-98,165,379.78-38,539,299.12

Finding the Fourth Proportional to 71,134,347.12, 98,165,379.78 and 38,539,299.12

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Solution

The fourth proportional to 71,134,347.12, 98,165,379.78 and 38,539,299.12 is: 53,184,222.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,134,347.12 : 98,165,379.78 = 38,539,299.12 : x
  2. Step 2: Convert to fraction form
    71,134,347.12/98,165,379.78 = 38,539,299.12/x
  3. Step 3: Cross multiply
    71,134,347.12x = 98,165,379.78 × 38,539,299.12
  4. Step 4: Simplify right side
    71,134,347.12x = 3,783,224,934,569,819.50
  5. Step 5: Solve for x
    x = 3,783,224,934,569,819.50/71,134,347.12
  6. Step 6: Final answer
    x = 53,184,222.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.