Home / 78,588,068-108,458,869.20-45,993,045.92

Finding the Fourth Proportional to 78,588,068, 108,458,869.20 and 45,993,045.92

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Solution

The fourth proportional to 78,588,068, 108,458,869.20 and 45,993,045.92 is: 63,474,696.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,588,068 : 108,458,869.20 = 45,993,045.92 : x
  2. Step 2: Convert to fraction form
    78,588,068/108,458,869.20 = 45,993,045.92/x
  3. Step 3: Cross multiply
    78,588,068x = 108,458,869.20 × 45,993,045.92
  4. Step 4: Simplify right side
    78,588,068x = 4,988,353,751,546,874
  5. Step 5: Solve for x
    x = 4,988,353,751,546,874/78,588,068
  6. Step 6: Final answer
    x = 63,474,696.33

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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.