Home / 276,299,928.75-381,465,979.86-175,885,023.75

Finding the Fourth Proportional to 276,299,928.75, 381,465,979.86 and 175,885,023.75

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Solution

The fourth proportional to 276,299,928.75, 381,465,979.86 and 175,885,023.75 is: 242,830,873.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,299,928.75 : 381,465,979.86 = 175,885,023.75 : x
  2. Step 2: Convert to fraction form
    276,299,928.75/381,465,979.86 = 175,885,023.75/x
  3. Step 3: Cross multiply
    276,299,928.75x = 381,465,979.86 × 175,885,023.75
  4. Step 4: Simplify right side
    276,299,928.75x = 67,094,152,927,493,128
  5. Step 5: Solve for x
    x = 67,094,152,927,493,128/276,299,928.75
  6. Step 6: Final answer
    x = 242,830,873.07

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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.