Home / 54,612,820.51-81,918,669.36-31,569,092.30

Finding the Fourth Proportional to 54,612,820.51, 81,918,669.36 and 31,569,092.30

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Solution

The fourth proportional to 54,612,820.51, 81,918,669.36 and 31,569,092.30 is: 47,353,313.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,612,820.51 : 81,918,669.36 = 31,569,092.30 : x
  2. Step 2: Convert to fraction form
    54,612,820.51/81,918,669.36 = 31,569,092.30/x
  3. Step 3: Cross multiply
    54,612,820.51x = 81,918,669.36 × 31,569,092.30
  4. Step 4: Simplify right side
    54,612,820.51x = 2,586,098,034,119,022
  5. Step 5: Solve for x
    x = 2,586,098,034,119,022/54,612,820.51
  6. Step 6: Final answer
    x = 47,353,313.93

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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.