Home / 222,309,430.43-306,788,815.29-123,191,833.46

Finding the Fourth Proportional to 222,309,430.43, 306,788,815.29 and 123,191,833.46

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Solution

The fourth proportional to 222,309,430.43, 306,788,815.29 and 123,191,833.46 is: 170,005,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,309,430.43 : 306,788,815.29 = 123,191,833.46 : x
  2. Step 2: Convert to fraction form
    222,309,430.43/306,788,815.29 = 123,191,833.46/x
  3. Step 3: Cross multiply
    222,309,430.43x = 306,788,815.29 × 123,191,833.46
  4. Step 4: Simplify right side
    222,309,430.43x = 37,793,876,639,062,440
  5. Step 5: Solve for x
    x = 37,793,876,639,062,440/222,309,430.43
  6. Step 6: Final answer
    x = 170,005,728.35

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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.