Home / 140,725,151.37-194,207,876.64-81,164,297.88

Finding the Fourth Proportional to 140,725,151.37, 194,207,876.64 and 81,164,297.88

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Solution

The fourth proportional to 140,725,151.37, 194,207,876.64 and 81,164,297.88 is: 112,010,865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,725,151.37 : 194,207,876.64 = 81,164,297.88 : x
  2. Step 2: Convert to fraction form
    140,725,151.37/194,207,876.64 = 81,164,297.88/x
  3. Step 3: Cross multiply
    140,725,151.37x = 194,207,876.64 × 81,164,297.88
  4. Step 4: Simplify right side
    140,725,151.37x = 15,762,745,950,251,252
  5. Step 5: Solve for x
    x = 15,762,745,950,251,252/140,725,151.37
  6. Step 6: Final answer
    x = 112,010,865.13

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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.