Home / 88,128,001.20-132,192,001.80-52,296,193.20

Finding the Fourth Proportional to 88,128,001.20, 132,192,001.80 and 52,296,193.20

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Solution

The fourth proportional to 88,128,001.20, 132,192,001.80 and 52,296,193.20 is: 78,444,289.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,128,001.20 : 132,192,001.80 = 52,296,193.20 : x
  2. Step 2: Convert to fraction form
    88,128,001.20/132,192,001.80 = 52,296,193.20/x
  3. Step 3: Cross multiply
    88,128,001.20x = 132,192,001.80 × 52,296,193.20
  4. Step 4: Simplify right side
    88,128,001.20x = 6,913,138,465,627,548
  5. Step 5: Solve for x
    x = 6,913,138,465,627,548/88,128,001.20
  6. Step 6: Final answer
    x = 78,444,289.80

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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.