Home / 279,936,365.20-419,904,547.80-157,492,358.80

Finding the Fourth Proportional to 279,936,365.20, 419,904,547.80 and 157,492,358.80

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Solution

The fourth proportional to 279,936,365.20, 419,904,547.80 and 157,492,358.80 is: 236,238,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,365.20 : 419,904,547.80 = 157,492,358.80 : x
  2. Step 2: Convert to fraction form
    279,936,365.20/419,904,547.80 = 157,492,358.80/x
  3. Step 3: Cross multiply
    279,936,365.20x = 419,904,547.80 × 157,492,358.80
  4. Step 4: Simplify right side
    279,936,365.20x = 66,131,757,703,869,360
  5. Step 5: Solve for x
    x = 66,131,757,703,869,360/279,936,365.20
  6. Step 6: Final answer
    x = 236,238,538.20

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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.