Home / 77,274,003.60-115,911,005.40-54,599,187.60

Finding the Fourth Proportional to 77,274,003.60, 115,911,005.40 and 54,599,187.60

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Solution

The fourth proportional to 77,274,003.60, 115,911,005.40 and 54,599,187.60 is: 81,898,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,274,003.60 : 115,911,005.40 = 54,599,187.60 : x
  2. Step 2: Convert to fraction form
    77,274,003.60/115,911,005.40 = 54,599,187.60/x
  3. Step 3: Cross multiply
    77,274,003.60x = 115,911,005.40 × 54,599,187.60
  4. Step 4: Simplify right side
    77,274,003.60x = 6,328,646,728,739,214
  5. Step 5: Solve for x
    x = 6,328,646,728,739,214/77,274,003.60
  6. Step 6: Final answer
    x = 81,898,781.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.