Home / 290,764,659-436,150,787.47-96,676,074.18

Finding the Fourth Proportional to 290,764,659, 436,150,787.47 and 96,676,074.18

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Solution

The fourth proportional to 290,764,659, 436,150,787.47 and 96,676,074.18 is: 145,015,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,764,659 : 436,150,787.47 = 96,676,074.18 : x
  2. Step 2: Convert to fraction form
    290,764,659/436,150,787.47 = 96,676,074.18/x
  3. Step 3: Cross multiply
    290,764,659x = 436,150,787.47 × 96,676,074.18
  4. Step 4: Simplify right side
    290,764,659x = 42,165,345,883,115,144
  5. Step 5: Solve for x
    x = 42,165,345,883,115,144/290,764,659
  6. Step 6: Final answer
    x = 145,015,374.39

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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.