Home / 78,584,058.68-108,451,732.62-45,552,835.40

Finding the Fourth Proportional to 78,584,058.68, 108,451,732.62 and 45,552,835.40

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Solution

The fourth proportional to 78,584,058.68, 108,451,732.62 and 45,552,835.40 is: 62,866,235.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,584,058.68 : 108,451,732.62 = 45,552,835.40 : x
  2. Step 2: Convert to fraction form
    78,584,058.68/108,451,732.62 = 45,552,835.40/x
  3. Step 3: Cross multiply
    78,584,058.68x = 108,451,732.62 × 45,552,835.40
  4. Step 4: Simplify right side
    78,584,058.68x = 4,940,283,924,883,671
  5. Step 5: Solve for x
    x = 4,940,283,924,883,671/78,584,058.68
  6. Step 6: Final answer
    x = 62,866,235.31

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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.