Home / 71,134,382.12-98,165,428.02-38,539,334.12

Finding the Fourth Proportional to 71,134,382.12, 98,165,428.02 and 38,539,334.12

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Solution

The fourth proportional to 71,134,382.12, 98,165,428.02 and 38,539,334.12 is: 53,184,270.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,134,382.12 : 98,165,428.02 = 38,539,334.12 : x
  2. Step 2: Convert to fraction form
    71,134,382.12/98,165,428.02 = 38,539,334.12/x
  3. Step 3: Cross multiply
    71,134,382.12x = 98,165,428.02 × 38,539,334.12
  4. Step 4: Simplify right side
    71,134,382.12x = 3,783,230,229,495,589.50
  5. Step 5: Solve for x
    x = 3,783,230,229,495,589.50/71,134,382.12
  6. Step 6: Final answer
    x = 53,184,270.63

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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.