Home / 43,720,913.21-65,604,066.78-17,832,207.77

Finding the Fourth Proportional to 43,720,913.21, 65,604,066.78 and 17,832,207.77

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Solution

The fourth proportional to 43,720,913.21, 65,604,066.78 and 17,832,207.77 is: 26,757,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,720,913.21 : 65,604,066.78 = 17,832,207.77 : x
  2. Step 2: Convert to fraction form
    43,720,913.21/65,604,066.78 = 17,832,207.77/x
  3. Step 3: Cross multiply
    43,720,913.21x = 65,604,066.78 × 17,832,207.77
  4. Step 4: Simplify right side
    43,720,913.21x = 1,169,865,349,377,914.75
  5. Step 5: Solve for x
    x = 1,169,865,349,377,914.75/43,720,913.21
  6. Step 6: Final answer
    x = 26,757,568.94

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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.