Home / 290,764,669.75-436,150,803.60-96,676,084.93

Finding the Fourth Proportional to 290,764,669.75, 436,150,803.60 and 96,676,084.93

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Solution

The fourth proportional to 290,764,669.75, 436,150,803.60 and 96,676,084.93 is: 145,015,390.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,764,669.75 : 436,150,803.60 = 96,676,084.93 : x
  2. Step 2: Convert to fraction form
    290,764,669.75/436,150,803.60 = 96,676,084.93/x
  3. Step 3: Cross multiply
    290,764,669.75x = 436,150,803.60 × 96,676,084.93
  4. Step 4: Simplify right side
    290,764,669.75x = 42,165,352,131,121,352
  5. Step 5: Solve for x
    x = 42,165,352,131,121,352/290,764,669.75
  6. Step 6: Final answer
    x = 145,015,390.51

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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.