Home / 106,436,007.20-159,654,010.80-45,969,831.20

Finding the Fourth Proportional to 106,436,007.20, 159,654,010.80 and 45,969,831.20

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Solution

The fourth proportional to 106,436,007.20, 159,654,010.80 and 45,969,831.20 is: 68,954,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,436,007.20 : 159,654,010.80 = 45,969,831.20 : x
  2. Step 2: Convert to fraction form
    106,436,007.20/159,654,010.80 = 45,969,831.20/x
  3. Step 3: Cross multiply
    106,436,007.20x = 159,654,010.80 × 45,969,831.20
  4. Step 4: Simplify right side
    106,436,007.20x = 7,339,267,926,878,978
  5. Step 5: Solve for x
    x = 7,339,267,926,878,978/106,436,007.20
  6. Step 6: Final answer
    x = 68,954,746.80

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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.