Home / 52,153,289.76-78,228,003.92-21,042,401.46

Finding the Fourth Proportional to 52,153,289.76, 78,228,003.92 and 21,042,401.46

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Solution

The fourth proportional to 52,153,289.76, 78,228,003.92 and 21,042,401.46 is: 31,562,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,153,289.76 : 78,228,003.92 = 21,042,401.46 : x
  2. Step 2: Convert to fraction form
    52,153,289.76/78,228,003.92 = 21,042,401.46/x
  3. Step 3: Cross multiply
    52,153,289.76x = 78,228,003.92 × 21,042,401.46
  4. Step 4: Simplify right side
    52,153,289.76x = 1,646,105,063,899,093.75
  5. Step 5: Solve for x
    x = 1,646,105,063,899,093.75/52,153,289.76
  6. Step 6: Final answer
    x = 31,562,823.20

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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.