Home / 220,242,486.90-330,293,009.23-72,656,874.30

Finding the Fourth Proportional to 220,242,486.90, 330,293,009.23 and 72,656,874.30

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Solution

The fourth proportional to 220,242,486.90, 330,293,009.23 and 72,656,874.30 is: 108,961,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,242,486.90 : 330,293,009.23 = 72,656,874.30 : x
  2. Step 2: Convert to fraction form
    220,242,486.90/330,293,009.23 = 72,656,874.30/x
  3. Step 3: Cross multiply
    220,242,486.90x = 330,293,009.23 × 72,656,874.30
  4. Step 4: Simplify right side
    220,242,486.90x = 23,998,057,653,792,852
  5. Step 5: Solve for x
    x = 23,998,057,653,792,852/220,242,486.90
  6. Step 6: Final answer
    x = 108,961,980.91

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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.