Home / 85,251,095.36-127,844,897.52-30,648,781.52

Finding the Fourth Proportional to 85,251,095.36, 127,844,897.52 and 30,648,781.52

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Solution

The fourth proportional to 85,251,095.36, 127,844,897.52 and 30,648,781.52 is: 45,961,759.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,251,095.36 : 127,844,897.52 = 30,648,781.52 : x
  2. Step 2: Convert to fraction form
    85,251,095.36/127,844,897.52 = 30,648,781.52/x
  3. Step 3: Cross multiply
    85,251,095.36x = 127,844,897.52 × 30,648,781.52
  4. Step 4: Simplify right side
    85,251,095.36x = 3,918,290,332,537,269.50
  5. Step 5: Solve for x
    x = 3,918,290,332,537,269.50/85,251,095.36
  6. Step 6: Final answer
    x = 45,961,759.39

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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.