Home / 78,246,234.03-117,216,669.29-51,238,008.75

Finding the Fourth Proportional to 78,246,234.03, 117,216,669.29 and 51,238,008.75

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Solution

The fourth proportional to 78,246,234.03, 117,216,669.29 and 51,238,008.75 is: 76,757,032.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,246,234.03 : 117,216,669.29 = 51,238,008.75 : x
  2. Step 2: Convert to fraction form
    78,246,234.03/117,216,669.29 = 51,238,008.75/x
  3. Step 3: Cross multiply
    78,246,234.03x = 117,216,669.29 × 51,238,008.75
  4. Step 4: Simplify right side
    78,246,234.03x = 6,005,948,726,470,686
  5. Step 5: Solve for x
    x = 6,005,948,726,470,686/78,246,234.03
  6. Step 6: Final answer
    x = 76,757,032.47

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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.