Home / 203,161,379.94-304,667,320.38-70,180,405.74

Finding the Fourth Proportional to 203,161,379.94, 304,667,320.38 and 70,180,405.74

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Solution

The fourth proportional to 203,161,379.94, 304,667,320.38 and 70,180,405.74 is: 105,244,787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,161,379.94 : 304,667,320.38 = 70,180,405.74 : x
  2. Step 2: Convert to fraction form
    203,161,379.94/304,667,320.38 = 70,180,405.74/x
  3. Step 3: Cross multiply
    203,161,379.94x = 304,667,320.38 × 70,180,405.74
  4. Step 4: Simplify right side
    203,161,379.94x = 21,381,676,159,986,968
  5. Step 5: Solve for x
    x = 21,381,676,159,986,968/203,161,379.94
  6. Step 6: Final answer
    x = 105,244,787.01

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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.