Home / 262,441,805.40-393,662,708.10-165,081,814.20

Finding the Fourth Proportional to 262,441,805.40, 393,662,708.10 and 165,081,814.20

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Solution

The fourth proportional to 262,441,805.40, 393,662,708.10 and 165,081,814.20 is: 247,622,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,441,805.40 : 393,662,708.10 = 165,081,814.20 : x
  2. Step 2: Convert to fraction form
    262,441,805.40/393,662,708.10 = 165,081,814.20/x
  3. Step 3: Cross multiply
    262,441,805.40x = 393,662,708.10 × 165,081,814.20
  4. Step 4: Simplify right side
    262,441,805.40x = 64,986,554,036,033,032
  5. Step 5: Solve for x
    x = 64,986,554,036,033,032/262,441,805.40
  6. Step 6: Final answer
    x = 247,622,721.30

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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.