Home / 287,676,607.44-396,896,575.64-163,829,596.80

Finding the Fourth Proportional to 287,676,607.44, 396,896,575.64 and 163,829,596.80

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Solution

The fourth proportional to 287,676,607.44, 396,896,575.64 and 163,829,596.80 is: 226,029,521.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,676,607.44 : 396,896,575.64 = 163,829,596.80 : x
  2. Step 2: Convert to fraction form
    287,676,607.44/396,896,575.64 = 163,829,596.80/x
  3. Step 3: Cross multiply
    287,676,607.44x = 396,896,575.64 × 163,829,596.80
  4. Step 4: Simplify right side
    287,676,607.44x = 65,023,405,958,401,904
  5. Step 5: Solve for x
    x = 65,023,405,958,401,904/287,676,607.44
  6. Step 6: Final answer
    x = 226,029,521.61

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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.