Home / 56,172,760.37-77,520,803.34-31,392,946.50

Finding the Fourth Proportional to 56,172,760.37, 77,520,803.34 and 31,392,946.50

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Solution

The fourth proportional to 56,172,760.37, 77,520,803.34 and 31,392,946.50 is: 43,323,604.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,172,760.37 : 77,520,803.34 = 31,392,946.50 : x
  2. Step 2: Convert to fraction form
    56,172,760.37/77,520,803.34 = 31,392,946.50/x
  3. Step 3: Cross multiply
    56,172,760.37x = 77,520,803.34 × 31,392,946.50
  4. Step 4: Simplify right side
    56,172,760.37x = 2,433,606,431,889,641.50
  5. Step 5: Solve for x
    x = 2,433,606,431,889,641.50/56,172,760.37
  6. Step 6: Final answer
    x = 43,323,604.11

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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.