Home / 279,939,608.10-419,909,412.15-159,007,256.10

Finding the Fourth Proportional to 279,939,608.10, 419,909,412.15 and 159,007,256.10

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Solution

The fourth proportional to 279,939,608.10, 419,909,412.15 and 159,007,256.10 is: 238,510,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,939,608.10 : 419,909,412.15 = 159,007,256.10 : x
  2. Step 2: Convert to fraction form
    279,939,608.10/419,909,412.15 = 159,007,256.10/x
  3. Step 3: Cross multiply
    279,939,608.10x = 419,909,412.15 × 159,007,256.10
  4. Step 4: Simplify right side
    279,939,608.10x = 66,768,643,436,535,496
  5. Step 5: Solve for x
    x = 66,768,643,436,535,496/279,939,608.10
  6. Step 6: Final answer
    x = 238,510,884.15

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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.