Home / 310,274,451.28-428,180,039.22-171,042,158.08

Finding the Fourth Proportional to 310,274,451.28, 428,180,039.22 and 171,042,158.08

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Solution

The fourth proportional to 310,274,451.28, 428,180,039.22 and 171,042,158.08 is: 236,038,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,274,451.28 : 428,180,039.22 = 171,042,158.08 : x
  2. Step 2: Convert to fraction form
    310,274,451.28/428,180,039.22 = 171,042,158.08/x
  3. Step 3: Cross multiply
    310,274,451.28x = 428,180,039.22 × 171,042,158.08
  4. Step 4: Simplify right side
    310,274,451.28x = 73,236,837,954,967,856
  5. Step 5: Solve for x
    x = 73,236,837,954,967,856/310,274,451.28
  6. Step 6: Final answer
    x = 236,038,892.83

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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.