Home / 103,017,712.40-154,361,231.40-54,432,195.20

Finding the Fourth Proportional to 103,017,712.40, 154,361,231.40 and 54,432,195.20

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Solution

The fourth proportional to 103,017,712.40, 154,361,231.40 and 54,432,195.20 is: 81,560,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,017,712.40 : 154,361,231.40 = 54,432,195.20 : x
  2. Step 2: Convert to fraction form
    103,017,712.40/154,361,231.40 = 54,432,195.20/x
  3. Step 3: Cross multiply
    103,017,712.40x = 154,361,231.40 × 54,432,195.20
  4. Step 4: Simplify right side
    103,017,712.40x = 8,402,220,678,877,170
  5. Step 5: Solve for x
    x = 8,402,220,678,877,170/103,017,712.40
  6. Step 6: Final answer
    x = 81,560,932.42

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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.