Home / 70,492,658.67-105,721,047.32-21,961,466.55

Finding the Fourth Proportional to 70,492,658.67, 105,721,047.32 and 21,961,466.55

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Solution

The fourth proportional to 70,492,658.67, 105,721,047.32 and 21,961,466.55 is: 32,936,610.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,492,658.67 : 105,721,047.32 = 21,961,466.55 : x
  2. Step 2: Convert to fraction form
    70,492,658.67/105,721,047.32 = 21,961,466.55/x
  3. Step 3: Cross multiply
    70,492,658.67x = 105,721,047.32 × 21,961,466.55
  4. Step 4: Simplify right side
    70,492,658.67x = 2,321,789,244,239,340
  5. Step 5: Solve for x
    x = 2,321,789,244,239,340/70,492,658.67
  6. Step 6: Final answer
    x = 32,936,610.54

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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.