Home / 304,107,735.15-419,676,938.01-171,968,500.71

Finding the Fourth Proportional to 304,107,735.15, 419,676,938.01 and 171,968,500.71

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Solution

The fourth proportional to 304,107,735.15, 419,676,938.01 and 171,968,500.71 is: 237,321,203.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,107,735.15 : 419,676,938.01 = 171,968,500.71 : x
  2. Step 2: Convert to fraction form
    304,107,735.15/419,676,938.01 = 171,968,500.71/x
  3. Step 3: Cross multiply
    304,107,735.15x = 419,676,938.01 × 171,968,500.71
  4. Step 4: Simplify right side
    304,107,735.15x = 72,171,213,812,143,312
  5. Step 5: Solve for x
    x = 72,171,213,812,143,312/304,107,735.15
  6. Step 6: Final answer
    x = 237,321,203.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.