Home / 112,293,422.70-168,440,134.05-68,644,401.90

Finding the Fourth Proportional to 112,293,422.70, 168,440,134.05 and 68,644,401.90

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Solution

The fourth proportional to 112,293,422.70, 168,440,134.05 and 68,644,401.90 is: 102,966,602.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,293,422.70 : 168,440,134.05 = 68,644,401.90 : x
  2. Step 2: Convert to fraction form
    112,293,422.70/168,440,134.05 = 68,644,401.90/x
  3. Step 3: Cross multiply
    112,293,422.70x = 168,440,134.05 × 68,644,401.90
  4. Step 4: Simplify right side
    112,293,422.70x = 11,562,472,257,818,076
  5. Step 5: Solve for x
    x = 11,562,472,257,818,076/112,293,422.70
  6. Step 6: Final answer
    x = 102,966,602.85

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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.