Home / 69,984,109.20-104,976,163.80-64,441,376.40

Finding the Fourth Proportional to 69,984,109.20, 104,976,163.80 and 64,441,376.40

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Solution

The fourth proportional to 69,984,109.20, 104,976,163.80 and 64,441,376.40 is: 96,662,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,109.20 : 104,976,163.80 = 64,441,376.40 : x
  2. Step 2: Convert to fraction form
    69,984,109.20/104,976,163.80 = 64,441,376.40/x
  3. Step 3: Cross multiply
    69,984,109.20x = 104,976,163.80 × 64,441,376.40
  4. Step 4: Simplify right side
    69,984,109.20x = 6,764,808,484,463,854
  5. Step 5: Solve for x
    x = 6,764,808,484,463,854/69,984,109.20
  6. Step 6: Final answer
    x = 96,662,064.60

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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.