Home / 105,204,202,971.90-157,790,359,821.32-28,632,614,891.83

Finding the Fourth Proportional to 105,204,202,971.90, 157,790,359,821.32 and 28,632,614,891.83

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Solution

The fourth proportional to 105,204,202,971.90, 157,790,359,821.32 and 28,632,614,891.83 is: 42,944,582,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,204,202,971.90 : 157,790,359,821.32 = 28,632,614,891.83 : x
  2. Step 2: Convert to fraction form
    105,204,202,971.90/157,790,359,821.32 = 28,632,614,891.83/x
  3. Step 3: Cross multiply
    105,204,202,971.90x = 157,790,359,821.32 × 28,632,614,891.83
  4. Step 4: Simplify right side
    105,204,202,971.90x = 4,517,950,606,407,772,405,760
  5. Step 5: Solve for x
    x = 4,517,950,606,407,772,405,760/105,204,202,971.90
  6. Step 6: Final answer
    x = 42,944,582,809.25

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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.