Home / 316,542,521.28-436,852,913.13-199,168,462.02

Finding the Fourth Proportional to 316,542,521.28, 436,852,913.13 and 199,168,462.02

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Solution

The fourth proportional to 316,542,521.28, 436,852,913.13 and 199,168,462.02 is: 274,867,725.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,542,521.28 : 436,852,913.13 = 199,168,462.02 : x
  2. Step 2: Convert to fraction form
    316,542,521.28/436,852,913.13 = 199,168,462.02/x
  3. Step 3: Cross multiply
    316,542,521.28x = 436,852,913.13 × 199,168,462.02
  4. Step 4: Simplify right side
    316,542,521.28x = 87,007,322,837,058,768
  5. Step 5: Solve for x
    x = 87,007,322,837,058,768/316,542,521.28
  6. Step 6: Final answer
    x = 274,867,725.46

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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.