Home / 290,764,657.13-436,150,784.66-96,676,072.30

Finding the Fourth Proportional to 290,764,657.13, 436,150,784.66 and 96,676,072.30

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Solution

The fourth proportional to 290,764,657.13, 436,150,784.66 and 96,676,072.30 is: 145,015,371.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,764,657.13 : 436,150,784.66 = 96,676,072.30 : x
  2. Step 2: Convert to fraction form
    290,764,657.13/436,150,784.66 = 96,676,072.30/x
  3. Step 3: Cross multiply
    290,764,657.13x = 436,150,784.66 × 96,676,072.30
  4. Step 4: Simplify right side
    290,764,657.13x = 42,165,344,793,136,112
  5. Step 5: Solve for x
    x = 42,165,344,793,136,112/290,764,657.13
  6. Step 6: Final answer
    x = 145,015,371.57

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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.