Home / 279,490,294.80-419,313,217.02-121,937,095.44

Finding the Fourth Proportional to 279,490,294.80, 419,313,217.02 and 121,937,095.44

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Solution

The fourth proportional to 279,490,294.80, 419,313,217.02 and 121,937,095.44 is: 182,939,575.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,490,294.80 : 419,313,217.02 = 121,937,095.44 : x
  2. Step 2: Convert to fraction form
    279,490,294.80/419,313,217.02 = 121,937,095.44/x
  3. Step 3: Cross multiply
    279,490,294.80x = 419,313,217.02 × 121,937,095.44
  4. Step 4: Simplify right side
    279,490,294.80x = 51,129,835,763,021,168
  5. Step 5: Solve for x
    x = 51,129,835,763,021,168/279,490,294.80
  6. Step 6: Final answer
    x = 182,939,575.06

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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.