Home / 72,764,998.80-109,147,498.20-34,501,246.80

Finding the Fourth Proportional to 72,764,998.80, 109,147,498.20 and 34,501,246.80

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Solution

The fourth proportional to 72,764,998.80, 109,147,498.20 and 34,501,246.80 is: 51,751,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,764,998.80 : 109,147,498.20 = 34,501,246.80 : x
  2. Step 2: Convert to fraction form
    72,764,998.80/109,147,498.20 = 34,501,246.80/x
  3. Step 3: Cross multiply
    72,764,998.80x = 109,147,498.20 × 34,501,246.80
  4. Step 4: Simplify right side
    72,764,998.80x = 3,765,724,773,000,755.50
  5. Step 5: Solve for x
    x = 3,765,724,773,000,755.50/72,764,998.80
  6. Step 6: Final answer
    x = 51,751,870.20

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Double scale
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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.