Home / 266,805,481.40-368,107,632.78-149,312,143.16

Finding the Fourth Proportional to 266,805,481.40, 368,107,632.78 and 149,312,143.16

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Solution

The fourth proportional to 266,805,481.40, 368,107,632.78 and 149,312,143.16 is: 206,003,787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,805,481.40 : 368,107,632.78 = 149,312,143.16 : x
  2. Step 2: Convert to fraction form
    266,805,481.40/368,107,632.78 = 149,312,143.16/x
  3. Step 3: Cross multiply
    266,805,481.40x = 368,107,632.78 × 149,312,143.16
  4. Step 4: Simplify right side
    266,805,481.40x = 54,962,939,563,936,064
  5. Step 5: Solve for x
    x = 54,962,939,563,936,064/266,805,481.40
  6. Step 6: Final answer
    x = 206,003,787.01

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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.