Home / 279,478,387.99-385,681,755.36-162,073,426.42

Finding the Fourth Proportional to 279,478,387.99, 385,681,755.36 and 162,073,426.42

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Solution

The fourth proportional to 279,478,387.99, 385,681,755.36 and 162,073,426.42 is: 223,662,244.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,478,387.99 : 385,681,755.36 = 162,073,426.42 : x
  2. Step 2: Convert to fraction form
    279,478,387.99/385,681,755.36 = 162,073,426.42/x
  3. Step 3: Cross multiply
    279,478,387.99x = 385,681,755.36 × 162,073,426.42
  4. Step 4: Simplify right side
    279,478,387.99x = 62,508,763,598,875,400
  5. Step 5: Solve for x
    x = 62,508,763,598,875,400/279,478,387.99
  6. Step 6: Final answer
    x = 223,662,244.69

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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.