Home / 56,753,346.47-85,130,020.82-13,622,549.84

Finding the Fourth Proportional to 56,753,346.47, 85,130,020.82 and 13,622,549.84

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Solution

The fourth proportional to 56,753,346.47, 85,130,020.82 and 13,622,549.84 is: 20,433,825.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,753,346.47 : 85,130,020.82 = 13,622,549.84 : x
  2. Step 2: Convert to fraction form
    56,753,346.47/85,130,020.82 = 13,622,549.84/x
  3. Step 3: Cross multiply
    56,753,346.47x = 85,130,020.82 × 13,622,549.84
  4. Step 4: Simplify right side
    56,753,346.47x = 1,159,687,951,747,569
  5. Step 5: Solve for x
    x = 1,159,687,951,747,569/56,753,346.47
  6. Step 6: Final answer
    x = 20,433,825.03

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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.