Home / 412,617,111.03-618,794,356.23-136,216,861.25

Finding the Fourth Proportional to 412,617,111.03, 618,794,356.23 and 136,216,861.25

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Solution

The fourth proportional to 412,617,111.03, 618,794,356.23 and 136,216,861.25 is: 204,281,942.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,617,111.03 : 618,794,356.23 = 136,216,861.25 : x
  2. Step 2: Convert to fraction form
    412,617,111.03/618,794,356.23 = 136,216,861.25/x
  3. Step 3: Cross multiply
    412,617,111.03x = 618,794,356.23 × 136,216,861.25
  4. Step 4: Simplify right side
    412,617,111.03x = 84,290,224,961,771,024
  5. Step 5: Solve for x
    x = 84,290,224,961,771,024/412,617,111.03
  6. Step 6: Final answer
    x = 204,281,942.53

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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.