Home / 224,345,153.79-309,647,968.29-131,555,555.19

Finding the Fourth Proportional to 224,345,153.79, 309,647,968.29 and 131,555,555.19

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Solution

The fourth proportional to 224,345,153.79, 309,647,968.29 and 131,555,555.19 is: 181,576,957.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,345,153.79 : 309,647,968.29 = 131,555,555.19 : x
  2. Step 2: Convert to fraction form
    224,345,153.79/309,647,968.29 = 131,555,555.19/x
  3. Step 3: Cross multiply
    224,345,153.79x = 309,647,968.29 × 131,555,555.19
  4. Step 4: Simplify right side
    224,345,153.79x = 40,735,910,381,846,464
  5. Step 5: Solve for x
    x = 40,735,910,381,846,464/224,345,153.79
  6. Step 6: Final answer
    x = 181,576,957.17

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.