Home / 276,660,923.23-381,968,155.88-172,392,176.35

Finding the Fourth Proportional to 276,660,923.23, 381,968,155.88 and 172,392,176.35

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Solution

The fourth proportional to 276,660,923.23, 381,968,155.88 and 172,392,176.35 is: 238,010,922.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,660,923.23 : 381,968,155.88 = 172,392,176.35 : x
  2. Step 2: Convert to fraction form
    276,660,923.23/381,968,155.88 = 172,392,176.35/x
  3. Step 3: Cross multiply
    276,660,923.23x = 381,968,155.88 × 172,392,176.35
  4. Step 4: Simplify right side
    276,660,923.23x = 65,848,321,688,549,248
  5. Step 5: Solve for x
    x = 65,848,321,688,549,248/276,660,923.23
  6. Step 6: Final answer
    x = 238,010,922.97

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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.