Home / 109,655,368.20-164,483,052.30-92,436,679.80

Finding the Fourth Proportional to 109,655,368.20, 164,483,052.30 and 92,436,679.80

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Solution

The fourth proportional to 109,655,368.20, 164,483,052.30 and 92,436,679.80 is: 138,655,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,655,368.20 : 164,483,052.30 = 92,436,679.80 : x
  2. Step 2: Convert to fraction form
    109,655,368.20/164,483,052.30 = 92,436,679.80/x
  3. Step 3: Cross multiply
    109,655,368.20x = 164,483,052.30 × 92,436,679.80
  4. Step 4: Simplify right side
    109,655,368.20x = 15,204,267,237,981,754
  5. Step 5: Solve for x
    x = 15,204,267,237,981,754/109,655,368.20
  6. Step 6: Final answer
    x = 138,655,019.70

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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.