Home / 78,584,070-108,451,748.25-45,552,846.72

Finding the Fourth Proportional to 78,584,070, 108,451,748.25 and 45,552,846.72

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Solution

The fourth proportional to 78,584,070, 108,451,748.25 and 45,552,846.72 is: 62,866,250.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,584,070 : 108,451,748.25 = 45,552,846.72 : x
  2. Step 2: Convert to fraction form
    78,584,070/108,451,748.25 = 45,552,846.72/x
  3. Step 3: Cross multiply
    78,584,070x = 108,451,748.25 × 45,552,846.72
  4. Step 4: Simplify right side
    78,584,070x = 4,940,285,864,548,278
  5. Step 5: Solve for x
    x = 4,940,285,864,548,278/78,584,070
  6. Step 6: Final answer
    x = 62,866,250.94

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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.