Home / 79,157,899.89-109,241,933.72-45,654,919.81

Finding the Fourth Proportional to 79,157,899.89, 109,241,933.72 and 45,654,919.81

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Solution

The fourth proportional to 79,157,899.89, 109,241,933.72 and 45,654,919.81 is: 63,006,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,157,899.89 : 109,241,933.72 = 45,654,919.81 : x
  2. Step 2: Convert to fraction form
    79,157,899.89/109,241,933.72 = 45,654,919.81/x
  3. Step 3: Cross multiply
    79,157,899.89x = 109,241,933.72 × 45,654,919.81
  4. Step 4: Simplify right side
    79,157,899.89x = 4,987,431,723,374,555
  5. Step 5: Solve for x
    x = 4,987,431,723,374,555/79,157,899.89
  6. Step 6: Final answer
    x = 63,006,114.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.