Home / 56,754,560.87-78,321,292.64-30,649,076.56

Finding the Fourth Proportional to 56,754,560.87, 78,321,292.64 and 30,649,076.56

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Solution

The fourth proportional to 56,754,560.87, 78,321,292.64 and 30,649,076.56 is: 42,295,724.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,754,560.87 : 78,321,292.64 = 30,649,076.56 : x
  2. Step 2: Convert to fraction form
    56,754,560.87/78,321,292.64 = 30,649,076.56/x
  3. Step 3: Cross multiply
    56,754,560.87x = 78,321,292.64 × 30,649,076.56
  4. Step 4: Simplify right side
    56,754,560.87x = 2,400,475,294,401,524.50
  5. Step 5: Solve for x
    x = 2,400,475,294,401,524.50/56,754,560.87
  6. Step 6: Final answer
    x = 42,295,724.92

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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.