Home / 52,153,240.70-78,227,930.66-21,042,352.46

Finding the Fourth Proportional to 52,153,240.70, 78,227,930.66 and 21,042,352.46

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Solution

The fourth proportional to 52,153,240.70, 78,227,930.66 and 21,042,352.46 is: 31,562,749.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,153,240.70 : 78,227,930.66 = 21,042,352.46 : x
  2. Step 2: Convert to fraction form
    52,153,240.70/78,227,930.66 = 21,042,352.46/x
  3. Step 3: Cross multiply
    52,153,240.70x = 78,227,930.66 × 21,042,352.46
  4. Step 4: Simplify right side
    52,153,240.70x = 1,646,099,689,254,518.50
  5. Step 5: Solve for x
    x = 1,646,099,689,254,518.50/52,153,240.70
  6. Step 6: Final answer
    x = 31,562,749.83

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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.