Home / 55,015,963.20-82,612,072.80-43,750,094.40

Finding the Fourth Proportional to 55,015,963.20, 82,612,072.80 and 43,750,094.40

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Solution

The fourth proportional to 55,015,963.20, 82,612,072.80 and 43,750,094.40 is: 65,695,223.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,015,963.20 : 82,612,072.80 = 43,750,094.40 : x
  2. Step 2: Convert to fraction form
    55,015,963.20/82,612,072.80 = 43,750,094.40/x
  3. Step 3: Cross multiply
    55,015,963.20x = 82,612,072.80 × 43,750,094.40
  4. Step 4: Simplify right side
    55,015,963.20x = 3,614,285,983,579,672
  5. Step 5: Solve for x
    x = 3,614,285,983,579,672/55,015,963.20
  6. Step 6: Final answer
    x = 65,695,223.23

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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.