Home / 78,546,980.28-108,394,832.33-45,526,382.89

Finding the Fourth Proportional to 78,546,980.28, 108,394,832.33 and 45,526,382.89

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Solution

The fourth proportional to 78,546,980.28, 108,394,832.33 and 45,526,382.89 is: 62,826,408.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,546,980.28 : 108,394,832.33 = 45,526,382.89 : x
  2. Step 2: Convert to fraction form
    78,546,980.28/108,394,832.33 = 45,526,382.89/x
  3. Step 3: Cross multiply
    78,546,980.28x = 108,394,832.33 × 45,526,382.89
  4. Step 4: Simplify right side
    78,546,980.28x = 4,934,824,639,952,931
  5. Step 5: Solve for x
    x = 4,934,824,639,952,931/78,546,980.28
  6. Step 6: Final answer
    x = 62,826,408.12

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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.