Home / 61,771,440.41-92,633,562.57-20,819,876.34

Finding the Fourth Proportional to 61,771,440.41, 92,633,562.57 and 20,819,876.34

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Solution

The fourth proportional to 61,771,440.41, 92,633,562.57 and 20,819,876.34 is: 31,221,860.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,771,440.41 : 92,633,562.57 = 20,819,876.34 : x
  2. Step 2: Convert to fraction form
    61,771,440.41/92,633,562.57 = 20,819,876.34/x
  3. Step 3: Cross multiply
    61,771,440.41x = 92,633,562.57 × 20,819,876.34
  4. Step 4: Simplify right side
    61,771,440.41x = 1,928,619,317,641,052.50
  5. Step 5: Solve for x
    x = 1,928,619,317,641,052.50/61,771,440.41
  6. Step 6: Final answer
    x = 31,221,860.86

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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.