Home / 77,436,344.25-116,153,728.99-19,928,391.93

Finding the Fourth Proportional to 77,436,344.25, 116,153,728.99 and 19,928,391.93

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Solution

The fourth proportional to 77,436,344.25, 116,153,728.99 and 19,928,391.93 is: 29,892,385.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,436,344.25 : 116,153,728.99 = 19,928,391.93 : x
  2. Step 2: Convert to fraction form
    77,436,344.25/116,153,728.99 = 19,928,391.93/x
  3. Step 3: Cross multiply
    77,436,344.25x = 116,153,728.99 × 19,928,391.93
  4. Step 4: Simplify right side
    77,436,344.25x = 2,314,757,035,393,902
  5. Step 5: Solve for x
    x = 2,314,757,035,393,902/77,436,344.25
  6. Step 6: Final answer
    x = 29,892,385.26

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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.