Home / 47,174,136.46-70,758,543.06-20,905,406.56

Finding the Fourth Proportional to 47,174,136.46, 70,758,543.06 and 20,905,406.56

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Solution

The fourth proportional to 47,174,136.46, 70,758,543.06 and 20,905,406.56 is: 31,356,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,174,136.46 : 70,758,543.06 = 20,905,406.56 : x
  2. Step 2: Convert to fraction form
    47,174,136.46/70,758,543.06 = 20,905,406.56/x
  3. Step 3: Cross multiply
    47,174,136.46x = 70,758,543.06 × 20,905,406.56
  4. Step 4: Simplify right side
    47,174,136.46x = 1,479,236,110,262,566.50
  5. Step 5: Solve for x
    x = 1,479,236,110,262,566.50/47,174,136.46
  6. Step 6: Final answer
    x = 31,356,930.33

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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.