Home / 144,126,119.40-198,908,269.83-82,255,714.44

Finding the Fourth Proportional to 144,126,119.40, 198,908,269.83 and 82,255,714.44

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Solution

The fourth proportional to 144,126,119.40, 198,908,269.83 and 82,255,714.44 is: 113,521,004.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,126,119.40 : 198,908,269.83 = 82,255,714.44 : x
  2. Step 2: Convert to fraction form
    144,126,119.40/198,908,269.83 = 82,255,714.44/x
  3. Step 3: Cross multiply
    144,126,119.40x = 198,908,269.83 × 82,255,714.44
  4. Step 4: Simplify right side
    144,126,119.40x = 16,361,341,842,890,948
  5. Step 5: Solve for x
    x = 16,361,341,842,890,948/144,126,119.40
  6. Step 6: Final answer
    x = 113,521,004.46

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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.