Home / 113,542,067.50-156,688,116.24-61,331,103.67

Finding the Fourth Proportional to 113,542,067.50, 156,688,116.24 and 61,331,103.67

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Solution

The fourth proportional to 113,542,067.50, 156,688,116.24 and 61,331,103.67 is: 84,636,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,542,067.50 : 156,688,116.24 = 61,331,103.67 : x
  2. Step 2: Convert to fraction form
    113,542,067.50/156,688,116.24 = 61,331,103.67/x
  3. Step 3: Cross multiply
    113,542,067.50x = 156,688,116.24 × 61,331,103.67
  4. Step 4: Simplify right side
    113,542,067.50x = 9,609,855,100,972,452
  5. Step 5: Solve for x
    x = 9,609,855,100,972,452/113,542,067.50
  6. Step 6: Final answer
    x = 84,636,957.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.