Home / 218,429,950.32-327,518,166.96-103,413,520.80

Finding the Fourth Proportional to 218,429,950.32, 327,518,166.96 and 103,413,520.80

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Solution

The fourth proportional to 218,429,950.32, 327,518,166.96 and 103,413,520.80 is: 155,060,268.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,429,950.32 : 327,518,166.96 = 103,413,520.80 : x
  2. Step 2: Convert to fraction form
    218,429,950.32/327,518,166.96 = 103,413,520.80/x
  3. Step 3: Cross multiply
    218,429,950.32x = 327,518,166.96 × 103,413,520.80
  4. Step 4: Simplify right side
    218,429,950.32x = 33,869,806,771,295,828
  5. Step 5: Solve for x
    x = 33,869,806,771,295,828/218,429,950.32
  6. Step 6: Final answer
    x = 155,060,268.62

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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.