Home / 220,148,552.80-330,222,829.20-56,385,992.80

Finding the Fourth Proportional to 220,148,552.80, 330,222,829.20 and 56,385,992.80

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Solution

The fourth proportional to 220,148,552.80, 330,222,829.20 and 56,385,992.80 is: 84,578,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,148,552.80 : 330,222,829.20 = 56,385,992.80 : x
  2. Step 2: Convert to fraction form
    220,148,552.80/330,222,829.20 = 56,385,992.80/x
  3. Step 3: Cross multiply
    220,148,552.80x = 330,222,829.20 × 56,385,992.80
  4. Step 4: Simplify right side
    220,148,552.80x = 18,619,942,069,666,828
  5. Step 5: Solve for x
    x = 18,619,942,069,666,828/220,148,552.80
  6. Step 6: Final answer
    x = 84,578,989.20

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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.