Home / 64,867,571.20-97,301,356.80-21,722,435.20

Finding the Fourth Proportional to 64,867,571.20, 97,301,356.80 and 21,722,435.20

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Solution

The fourth proportional to 64,867,571.20, 97,301,356.80 and 21,722,435.20 is: 32,583,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,867,571.20 : 97,301,356.80 = 21,722,435.20 : x
  2. Step 2: Convert to fraction form
    64,867,571.20/97,301,356.80 = 21,722,435.20/x
  3. Step 3: Cross multiply
    64,867,571.20x = 97,301,356.80 × 21,722,435.20
  4. Step 4: Simplify right side
    64,867,571.20x = 2,113,622,417,960,079.25
  5. Step 5: Solve for x
    x = 2,113,622,417,960,079.25/64,867,571.20
  6. Step 6: Final answer
    x = 32,583,652.80

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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.