Home / 218,429,956.32-327,518,175.96-103,413,526.80

Finding the Fourth Proportional to 218,429,956.32, 327,518,175.96 and 103,413,526.80

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Solution

The fourth proportional to 218,429,956.32, 327,518,175.96 and 103,413,526.80 is: 155,060,277.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,429,956.32 : 327,518,175.96 = 103,413,526.80 : x
  2. Step 2: Convert to fraction form
    218,429,956.32/327,518,175.96 = 103,413,526.80/x
  3. Step 3: Cross multiply
    218,429,956.32x = 327,518,175.96 × 103,413,526.80
  4. Step 4: Simplify right side
    218,429,956.32x = 33,869,809,667,126,572
  5. Step 5: Solve for x
    x = 33,869,809,667,126,572/218,429,956.32
  6. Step 6: Final answer
    x = 155,060,277.62

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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.