Home / 303,220,223.67-418,443,909.32-163,990,985.41

Finding the Fourth Proportional to 303,220,223.67, 418,443,909.32 and 163,990,985.41

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Solution

The fourth proportional to 303,220,223.67, 418,443,909.32 and 163,990,985.41 is: 226,307,560.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,220,223.67 : 418,443,909.32 = 163,990,985.41 : x
  2. Step 2: Convert to fraction form
    303,220,223.67/418,443,909.32 = 163,990,985.41/x
  3. Step 3: Cross multiply
    303,220,223.67x = 418,443,909.32 × 163,990,985.41
  4. Step 4: Simplify right side
    303,220,223.67x = 68,621,029,028,199,480
  5. Step 5: Solve for x
    x = 68,621,029,028,199,480/303,220,223.67
  6. Step 6: Final answer
    x = 226,307,560.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.