Home / 220,398,463.02-330,645,519.96-67,040,533.66

Finding the Fourth Proportional to 220,398,463.02, 330,645,519.96 and 67,040,533.66

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Solution

The fourth proportional to 220,398,463.02, 330,645,519.96 and 67,040,533.66 is: 100,575,347.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,398,463.02 : 330,645,519.96 = 67,040,533.66 : x
  2. Step 2: Convert to fraction form
    220,398,463.02/330,645,519.96 = 67,040,533.66/x
  3. Step 3: Cross multiply
    220,398,463.02x = 330,645,519.96 × 67,040,533.66
  4. Step 4: Simplify right side
    220,398,463.02x = 22,166,652,110,406,580
  5. Step 5: Solve for x
    x = 22,166,652,110,406,580/220,398,463.02
  6. Step 6: Final answer
    x = 100,575,347.97

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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.