Home / 291,255,327.40-436,882,991.10-75,844,575.40

Finding the Fourth Proportional to 291,255,327.40, 436,882,991.10 and 75,844,575.40

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Solution

The fourth proportional to 291,255,327.40, 436,882,991.10 and 75,844,575.40 is: 113,766,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,255,327.40 : 436,882,991.10 = 75,844,575.40 : x
  2. Step 2: Convert to fraction form
    291,255,327.40/436,882,991.10 = 75,844,575.40/x
  3. Step 3: Cross multiply
    291,255,327.40x = 436,882,991.10 × 75,844,575.40
  4. Step 4: Simplify right side
    291,255,327.40x = 33,135,204,959,461,484
  5. Step 5: Solve for x
    x = 33,135,204,959,461,484/291,255,327.40
  6. Step 6: Final answer
    x = 113,766,863.10

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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.