Home / 78,195,433.62-107,902,565.04-46,400,124.36

Finding the Fourth Proportional to 78,195,433.62, 107,902,565.04 and 46,400,124.36

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Solution

The fourth proportional to 78,195,433.62, 107,902,565.04 and 46,400,124.36 is: 64,027,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,195,433.62 : 107,902,565.04 = 46,400,124.36 : x
  2. Step 2: Convert to fraction form
    78,195,433.62/107,902,565.04 = 46,400,124.36/x
  3. Step 3: Cross multiply
    78,195,433.62x = 107,902,565.04 × 46,400,124.36
  4. Step 4: Simplify right side
    78,195,433.62x = 5,006,692,436,618,989
  5. Step 5: Solve for x
    x = 5,006,692,436,618,989/78,195,433.62
  6. Step 6: Final answer
    x = 64,027,938.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.