Home / 56,808,738.80-85,213,108.20-47,738,812.40

Finding the Fourth Proportional to 56,808,738.80, 85,213,108.20 and 47,738,812.40

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Solution

The fourth proportional to 56,808,738.80, 85,213,108.20 and 47,738,812.40 is: 71,608,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,808,738.80 : 85,213,108.20 = 47,738,812.40 : x
  2. Step 2: Convert to fraction form
    56,808,738.80/85,213,108.20 = 47,738,812.40/x
  3. Step 3: Cross multiply
    56,808,738.80x = 85,213,108.20 × 47,738,812.40
  4. Step 4: Simplify right side
    56,808,738.80x = 4,067,972,586,380,701.50
  5. Step 5: Solve for x
    x = 4,067,972,586,380,701.50/56,808,738.80
  6. Step 6: Final answer
    x = 71,608,218.60

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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.