Home / 55,182,472.70-82,770,957.59-20,636,334.73

Finding the Fourth Proportional to 55,182,472.70, 82,770,957.59 and 20,636,334.73

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Solution

The fourth proportional to 55,182,472.70, 82,770,957.59 and 20,636,334.73 is: 30,953,473.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,182,472.70 : 82,770,957.59 = 20,636,334.73 : x
  2. Step 2: Convert to fraction form
    55,182,472.70/82,770,957.59 = 20,636,334.73/x
  3. Step 3: Cross multiply
    55,182,472.70x = 82,770,957.59 × 20,636,334.73
  4. Step 4: Simplify right side
    55,182,472.70x = 1,708,089,186,866,235.50
  5. Step 5: Solve for x
    x = 1,708,089,186,866,235.50/55,182,472.70
  6. Step 6: Final answer
    x = 30,953,473.15

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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.