Home / 258,634,361.32-388,002,648.54-94,873,638.40

Finding the Fourth Proportional to 258,634,361.32, 388,002,648.54 and 94,873,638.40

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Solution

The fourth proportional to 258,634,361.32, 388,002,648.54 and 94,873,638.40 is: 142,329,204.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,634,361.32 : 388,002,648.54 = 94,873,638.40 : x
  2. Step 2: Convert to fraction form
    258,634,361.32/388,002,648.54 = 94,873,638.40/x
  3. Step 3: Cross multiply
    258,634,361.32x = 388,002,648.54 × 94,873,638.40
  4. Step 4: Simplify right side
    258,634,361.32x = 36,811,222,975,826,256
  5. Step 5: Solve for x
    x = 36,811,222,975,826,256/258,634,361.32
  6. Step 6: Final answer
    x = 142,329,204.78

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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.