Home / 291,255,330.40-436,882,995.60-75,844,578.40

Finding the Fourth Proportional to 291,255,330.40, 436,882,995.60 and 75,844,578.40

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Solution

The fourth proportional to 291,255,330.40, 436,882,995.60 and 75,844,578.40 is: 113,766,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,255,330.40 : 436,882,995.60 = 75,844,578.40 : x
  2. Step 2: Convert to fraction form
    291,255,330.40/436,882,995.60 = 75,844,578.40/x
  3. Step 3: Cross multiply
    291,255,330.40x = 436,882,995.60 × 75,844,578.40
  4. Step 4: Simplify right side
    291,255,330.40x = 33,135,206,611,411,060
  5. Step 5: Solve for x
    x = 33,135,206,611,411,060/291,255,330.40
  6. Step 6: Final answer
    x = 113,766,867.60

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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.