Home / 78,413,565.74-117,600,793.24-23,070,388.20

Finding the Fourth Proportional to 78,413,565.74, 117,600,793.24 and 23,070,388.20

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Solution

The fourth proportional to 78,413,565.74, 117,600,793.24 and 23,070,388.20 is: 34,599,828.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,413,565.74 : 117,600,793.24 = 23,070,388.20 : x
  2. Step 2: Convert to fraction form
    78,413,565.74/117,600,793.24 = 23,070,388.20/x
  3. Step 3: Cross multiply
    78,413,565.74x = 117,600,793.24 × 23,070,388.20
  4. Step 4: Simplify right side
    78,413,565.74x = 2,713,095,952,782,111.50
  5. Step 5: Solve for x
    x = 2,713,095,952,782,111.50/78,413,565.74
  6. Step 6: Final answer
    x = 34,599,828.83

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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.