Home / 102,458,652.90-141,392,518.26-55,415,778.90

Finding the Fourth Proportional to 102,458,652.90, 141,392,518.26 and 55,415,778.90

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Solution

The fourth proportional to 102,458,652.90, 141,392,518.26 and 55,415,778.90 is: 76,473,546.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,458,652.90 : 141,392,518.26 = 55,415,778.90 : x
  2. Step 2: Convert to fraction form
    102,458,652.90/141,392,518.26 = 55,415,778.90/x
  3. Step 3: Cross multiply
    102,458,652.90x = 141,392,518.26 × 55,415,778.90
  4. Step 4: Simplify right side
    102,458,652.90x = 7,835,376,530,010,372
  5. Step 5: Solve for x
    x = 7,835,376,530,010,372/102,458,652.90
  6. Step 6: Final answer
    x = 76,473,546.24

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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.