Home / 109,579,695.40-164,369,543.10-67,967,865.10

Finding the Fourth Proportional to 109,579,695.40, 164,369,543.10 and 67,967,865.10

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Solution

The fourth proportional to 109,579,695.40, 164,369,543.10 and 67,967,865.10 is: 101,951,797.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,579,695.40 : 164,369,543.10 = 67,967,865.10 : x
  2. Step 2: Convert to fraction form
    109,579,695.40/164,369,543.10 = 67,967,865.10/x
  3. Step 3: Cross multiply
    109,579,695.40x = 164,369,543.10 × 67,967,865.10
  4. Step 4: Simplify right side
    109,579,695.40x = 11,171,846,931,969,434
  5. Step 5: Solve for x
    x = 11,171,846,931,969,434/109,579,695.40
  6. Step 6: Final answer
    x = 101,951,797.65

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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.