Home / 228,042,948.80-342,061,215.60-55,520,141.60

Finding the Fourth Proportional to 228,042,948.80, 342,061,215.60 and 55,520,141.60

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Solution

The fourth proportional to 228,042,948.80, 342,061,215.60 and 55,520,141.60 is: 83,279,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,042,948.80 : 342,061,215.60 = 55,520,141.60 : x
  2. Step 2: Convert to fraction form
    228,042,948.80/342,061,215.60 = 55,520,141.60/x
  3. Step 3: Cross multiply
    228,042,948.80x = 342,061,215.60 × 55,520,141.60
  4. Step 4: Simplify right side
    228,042,948.80x = 18,991,287,125,980,132
  5. Step 5: Solve for x
    x = 18,991,287,125,980,132/228,042,948.80
  6. Step 6: Final answer
    x = 83,279,431.47

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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.