Home / 66,640,940.90-99,975,045.12-22,916,020.65

Finding the Fourth Proportional to 66,640,940.90, 99,975,045.12 and 22,916,020.65

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Solution

The fourth proportional to 66,640,940.90, 99,975,045.12 and 22,916,020.65 is: 34,378,719.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,640,940.90 : 99,975,045.12 = 22,916,020.65 : x
  2. Step 2: Convert to fraction form
    66,640,940.90/99,975,045.12 = 22,916,020.65/x
  3. Step 3: Cross multiply
    66,640,940.90x = 99,975,045.12 × 22,916,020.65
  4. Step 4: Simplify right side
    66,640,940.90x = 2,291,030,198,454,601.50
  5. Step 5: Solve for x
    x = 2,291,030,198,454,601.50/66,640,940.90
  6. Step 6: Final answer
    x = 34,378,719.26

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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.