Home / 221,584,022-305,786,079.96-123,798,878

Finding the Fourth Proportional to 221,584,022, 305,786,079.96 and 123,798,878

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Solution

The fourth proportional to 221,584,022, 305,786,079.96 and 123,798,878 is: 170,842,524.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,584,022 : 305,786,079.96 = 123,798,878 : x
  2. Step 2: Convert to fraction form
    221,584,022/305,786,079.96 = 123,798,878/x
  3. Step 3: Cross multiply
    221,584,022x = 305,786,079.96 × 123,798,878
  4. Step 4: Simplify right side
    221,584,022x = 37,855,973,607,066,280
  5. Step 5: Solve for x
    x = 37,855,973,607,066,280/221,584,022
  6. Step 6: Final answer
    x = 170,842,524.05

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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.