Home / 220,174,424.80-330,261,637.20-66,820,235.20

Finding the Fourth Proportional to 220,174,424.80, 330,261,637.20 and 66,820,235.20

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Solution

The fourth proportional to 220,174,424.80, 330,261,637.20 and 66,820,235.20 is: 100,230,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,174,424.80 : 330,261,637.20 = 66,820,235.20 : x
  2. Step 2: Convert to fraction form
    220,174,424.80/330,261,637.20 = 66,820,235.20/x
  3. Step 3: Cross multiply
    220,174,424.80x = 330,261,637.20 × 66,820,235.20
  4. Step 4: Simplify right side
    220,174,424.80x = 22,068,160,275,241,068
  5. Step 5: Solve for x
    x = 22,068,160,275,241,068/220,174,424.80
  6. Step 6: Final answer
    x = 100,230,352.80

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1.5x scale

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.