Home / 215,091,022.68-322,636,041.90-92,189,649.06

Finding the Fourth Proportional to 215,091,022.68, 322,636,041.90 and 92,189,649.06

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Solution

The fourth proportional to 215,091,022.68, 322,636,041.90 and 92,189,649.06 is: 138,284,262.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,091,022.68 : 322,636,041.90 = 92,189,649.06 : x
  2. Step 2: Convert to fraction form
    215,091,022.68/322,636,041.90 = 92,189,649.06/x
  3. Step 3: Cross multiply
    215,091,022.68x = 322,636,041.90 × 92,189,649.06
  4. Step 4: Simplify right side
    215,091,022.68x = 29,743,703,476,868,456
  5. Step 5: Solve for x
    x = 29,743,703,476,868,456/215,091,022.68
  6. Step 6: Final answer
    x = 138,284,262.66

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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.