Home / 92,784,402.40-139,141,145.04-30,521,231.68

Finding the Fourth Proportional to 92,784,402.40, 139,141,145.04 and 30,521,231.68

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Solution

The fourth proportional to 92,784,402.40, 139,141,145.04 and 30,521,231.68 is: 45,770,183.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,784,402.40 : 139,141,145.04 = 30,521,231.68 : x
  2. Step 2: Convert to fraction form
    92,784,402.40/139,141,145.04 = 30,521,231.68/x
  3. Step 3: Cross multiply
    92,784,402.40x = 139,141,145.04 × 30,521,231.68
  4. Step 4: Simplify right side
    92,784,402.40x = 4,246,759,123,986,322.50
  5. Step 5: Solve for x
    x = 4,246,759,123,986,322.50/92,784,402.40
  6. Step 6: Final answer
    x = 45,770,183.50

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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.