Home / 47,148,223.74-70,722,355.22-21,210,228.54

Finding the Fourth Proportional to 47,148,223.74, 70,722,355.22 and 21,210,228.54

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Solution

The fourth proportional to 47,148,223.74, 70,722,355.22 and 21,210,228.54 is: 31,815,351.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,148,223.74 : 70,722,355.22 = 21,210,228.54 : x
  2. Step 2: Convert to fraction form
    47,148,223.74/70,722,355.22 = 21,210,228.54/x
  3. Step 3: Cross multiply
    47,148,223.74x = 70,722,355.22 × 21,210,228.54
  4. Step 4: Simplify right side
    47,148,223.74x = 1,500,037,317,103,262
  5. Step 5: Solve for x
    x = 1,500,037,317,103,262/47,148,223.74
  6. Step 6: Final answer
    x = 31,815,351.63

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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.