Home / 57,110,803.20-78,813,523.20-31,005,604.80

Finding the Fourth Proportional to 57,110,803.20, 78,813,523.20 and 31,005,604.80

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Solution

The fourth proportional to 57,110,803.20, 78,813,523.20 and 31,005,604.80 is: 42,788,068.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,110,803.20 : 78,813,523.20 = 31,005,604.80 : x
  2. Step 2: Convert to fraction form
    57,110,803.20/78,813,523.20 = 31,005,604.80/x
  3. Step 3: Cross multiply
    57,110,803.20x = 78,813,523.20 × 31,005,604.80
  4. Step 4: Simplify right side
    57,110,803.20x = 2,443,660,953,234,831.50
  5. Step 5: Solve for x
    x = 2,443,660,953,234,831.50/57,110,803.20
  6. Step 6: Final answer
    x = 42,788,068.39

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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.