Home / 281,051,034.80-421,670,717.12-96,945,590.41

Finding the Fourth Proportional to 281,051,034.80, 421,670,717.12 and 96,945,590.41

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Solution

The fourth proportional to 281,051,034.80, 421,670,717.12 and 96,945,590.41 is: 145,450,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,051,034.80 : 421,670,717.12 = 96,945,590.41 : x
  2. Step 2: Convert to fraction form
    281,051,034.80/421,670,717.12 = 96,945,590.41/x
  3. Step 3: Cross multiply
    281,051,034.80x = 421,670,717.12 × 96,945,590.41
  4. Step 4: Simplify right side
    281,051,034.80x = 40,879,116,628,994,680
  5. Step 5: Solve for x
    x = 40,879,116,628,994,680/281,051,034.80
  6. Step 6: Final answer
    x = 145,450,866.81

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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.