Home / 61,419,002.24-92,118,489.40-20,478,780.50

Finding the Fourth Proportional to 61,419,002.24, 92,118,489.40 and 20,478,780.50

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Solution

The fourth proportional to 61,419,002.24, 92,118,489.40 and 20,478,780.50 is: 30,714,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,419,002.24 : 92,118,489.40 = 20,478,780.50 : x
  2. Step 2: Convert to fraction form
    61,419,002.24/92,118,489.40 = 20,478,780.50/x
  3. Step 3: Cross multiply
    61,419,002.24x = 92,118,489.40 × 20,478,780.50
  4. Step 4: Simplify right side
    61,419,002.24x = 1,886,474,324,497,441.50
  5. Step 5: Solve for x
    x = 1,886,474,324,497,441.50/61,419,002.24
  6. Step 6: Final answer
    x = 30,714,831.82

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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.