Home / 43,783,421.40-65,675,132.10-27,680,759.10

Finding the Fourth Proportional to 43,783,421.40, 65,675,132.10 and 27,680,759.10

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Solution

The fourth proportional to 43,783,421.40, 65,675,132.10 and 27,680,759.10 is: 41,521,138.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,783,421.40 : 65,675,132.10 = 27,680,759.10 : x
  2. Step 2: Convert to fraction form
    43,783,421.40/65,675,132.10 = 27,680,759.10/x
  3. Step 3: Cross multiply
    43,783,421.40x = 65,675,132.10 × 27,680,759.10
  4. Step 4: Simplify right side
    43,783,421.40x = 1,817,937,510,520,777.25
  5. Step 5: Solve for x
    x = 1,817,937,510,520,777.25/43,783,421.40
  6. Step 6: Final answer
    x = 41,521,138.65

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Double scale
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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.