Home / 101,991,142.12-140,707,823.46-62,764,817.80

Finding the Fourth Proportional to 101,991,142.12, 140,707,823.46 and 62,764,817.80

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Solution

The fourth proportional to 101,991,142.12, 140,707,823.46 and 62,764,817.80 is: 86,590,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,991,142.12 : 140,707,823.46 = 62,764,817.80 : x
  2. Step 2: Convert to fraction form
    101,991,142.12/140,707,823.46 = 62,764,817.80/x
  3. Step 3: Cross multiply
    101,991,142.12x = 140,707,823.46 × 62,764,817.80
  4. Step 4: Simplify right side
    101,991,142.12x = 8,831,500,902,501,466
  5. Step 5: Solve for x
    x = 8,831,500,902,501,466/101,991,142.12
  6. Step 6: Final answer
    x = 86,590,861.90

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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.