Home / 280,395,960.13-386,945,473.63-154,944,653.77

Finding the Fourth Proportional to 280,395,960.13, 386,945,473.63 and 154,944,653.77

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Solution

The fourth proportional to 280,395,960.13, 386,945,473.63 and 154,944,653.77 is: 213,823,096.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,395,960.13 : 386,945,473.63 = 154,944,653.77 : x
  2. Step 2: Convert to fraction form
    280,395,960.13/386,945,473.63 = 154,944,653.77/x
  3. Step 3: Cross multiply
    280,395,960.13x = 386,945,473.63 × 154,944,653.77
  4. Step 4: Simplify right side
    280,395,960.13x = 59,955,132,436,759,560
  5. Step 5: Solve for x
    x = 59,955,132,436,759,560/280,395,960.13
  6. Step 6: Final answer
    x = 213,823,096.49

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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.