Home / 276,717,089.80-381,869,667.74-151,269,834.86

Finding the Fourth Proportional to 276,717,089.80, 381,869,667.74 and 151,269,834.86

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Solution

The fourth proportional to 276,717,089.80, 381,869,667.74 and 151,269,834.86 is: 208,752,417.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,717,089.80 : 381,869,667.74 = 151,269,834.86 : x
  2. Step 2: Convert to fraction form
    276,717,089.80/381,869,667.74 = 151,269,834.86/x
  3. Step 3: Cross multiply
    276,717,089.80x = 381,869,667.74 × 151,269,834.86
  4. Step 4: Simplify right side
    276,717,089.80x = 57,765,361,576,973,704
  5. Step 5: Solve for x
    x = 57,765,361,576,973,704/276,717,089.80
  6. Step 6: Final answer
    x = 208,752,417.92

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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.