Home / 260,967,974.32-391,193,393.28-122,545,792.09

Finding the Fourth Proportional to 260,967,974.32, 391,193,393.28 and 122,545,792.09

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Solution

The fourth proportional to 260,967,974.32, 391,193,393.28 and 122,545,792.09 is: 183,697,269.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,967,974.32 : 391,193,393.28 = 122,545,792.09 : x
  2. Step 2: Convert to fraction form
    260,967,974.32/391,193,393.28 = 122,545,792.09/x
  3. Step 3: Cross multiply
    260,967,974.32x = 391,193,393.28 × 122,545,792.09
  4. Step 4: Simplify right side
    260,967,974.32x = 47,939,104,239,872,480
  5. Step 5: Solve for x
    x = 47,939,104,239,872,480/260,967,974.32
  6. Step 6: Final answer
    x = 183,697,269.23

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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.