Home / 258,634,363.32-388,002,651.57-94,873,640.40

Finding the Fourth Proportional to 258,634,363.32, 388,002,651.57 and 94,873,640.40

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Solution

The fourth proportional to 258,634,363.32, 388,002,651.57 and 94,873,640.40 is: 142,329,207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,634,363.32 : 388,002,651.57 = 94,873,640.40 : x
  2. Step 2: Convert to fraction form
    258,634,363.32/388,002,651.57 = 94,873,640.40/x
  3. Step 3: Cross multiply
    258,634,363.32x = 388,002,651.57 × 94,873,640.40
  4. Step 4: Simplify right side
    258,634,363.32x = 36,811,224,039,298,680
  5. Step 5: Solve for x
    x = 36,811,224,039,298,680/258,634,363.32
  6. Step 6: Final answer
    x = 142,329,207.79

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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.