Home / 140,925,671.75-194,481,886.44-81,385,890.84

Finding the Fourth Proportional to 140,925,671.75, 194,481,886.44 and 81,385,890.84

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Solution

The fourth proportional to 140,925,671.75, 194,481,886.44 and 81,385,890.84 is: 112,315,104.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,925,671.75 : 194,481,886.44 = 81,385,890.84 : x
  2. Step 2: Convert to fraction form
    140,925,671.75/194,481,886.44 = 81,385,890.84/x
  3. Step 3: Cross multiply
    140,925,671.75x = 194,481,886.44 × 81,385,890.84
  4. Step 4: Simplify right side
    140,925,671.75x = 15,828,081,580,605,618
  5. Step 5: Solve for x
    x = 15,828,081,580,605,618/140,925,671.75
  6. Step 6: Final answer
    x = 112,315,104.72

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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.