Home / 51,607,228.20-77,410,842.30-20,916,510.45

Finding the Fourth Proportional to 51,607,228.20, 77,410,842.30 and 20,916,510.45

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Solution

The fourth proportional to 51,607,228.20, 77,410,842.30 and 20,916,510.45 is: 31,374,765.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,607,228.20 : 77,410,842.30 = 20,916,510.45 : x
  2. Step 2: Convert to fraction form
    51,607,228.20/77,410,842.30 = 20,916,510.45/x
  3. Step 3: Cross multiply
    51,607,228.20x = 77,410,842.30 × 20,916,510.45
  4. Step 4: Simplify right side
    51,607,228.20x = 1,619,164,691,911,252
  5. Step 5: Solve for x
    x = 1,619,164,691,911,252/51,607,228.20
  6. Step 6: Final answer
    x = 31,374,765.68

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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.