Home / 77,062,143.48-106,379,667-53,948,002.92

Finding the Fourth Proportional to 77,062,143.48, 106,379,667 and 53,948,002.92

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Solution

The fourth proportional to 77,062,143.48, 106,379,667 and 53,948,002.92 is: 74,471,982.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,062,143.48 : 106,379,667 = 53,948,002.92 : x
  2. Step 2: Convert to fraction form
    77,062,143.48/106,379,667 = 53,948,002.92/x
  3. Step 3: Cross multiply
    77,062,143.48x = 106,379,667 × 53,948,002.92
  4. Step 4: Simplify right side
    77,062,143.48x = 5,738,970,585,944,628
  5. Step 5: Solve for x
    x = 5,738,970,585,944,628/77,062,143.48
  6. Step 6: Final answer
    x = 74,471,982.31

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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.