Home / 80,025,509.76-110,394,572.40-50,607,297.60

Finding the Fourth Proportional to 80,025,509.76, 110,394,572.40 and 50,607,297.60

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Solution

The fourth proportional to 80,025,509.76, 110,394,572.40 and 50,607,297.60 is: 69,812,376.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,025,509.76 : 110,394,572.40 = 50,607,297.60 : x
  2. Step 2: Convert to fraction form
    80,025,509.76/110,394,572.40 = 50,607,297.60/x
  3. Step 3: Cross multiply
    80,025,509.76x = 110,394,572.40 × 50,607,297.60
  4. Step 4: Simplify right side
    80,025,509.76x = 5,586,770,978,871,547
  5. Step 5: Solve for x
    x = 5,586,770,978,871,547/80,025,509.76
  6. Step 6: Final answer
    x = 69,812,376.02

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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.