Home / 109,942,092.60-164,913,138.90-77,693,465.40

Finding the Fourth Proportional to 109,942,092.60, 164,913,138.90 and 77,693,465.40

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Solution

The fourth proportional to 109,942,092.60, 164,913,138.90 and 77,693,465.40 is: 116,540,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,942,092.60 : 164,913,138.90 = 77,693,465.40 : x
  2. Step 2: Convert to fraction form
    109,942,092.60/164,913,138.90 = 77,693,465.40/x
  3. Step 3: Cross multiply
    109,942,092.60x = 164,913,138.90 × 77,693,465.40
  4. Step 4: Simplify right side
    109,942,092.60x = 12,812,673,251,132,546
  5. Step 5: Solve for x
    x = 12,812,673,251,132,546/109,942,092.60
  6. Step 6: Final answer
    x = 116,540,198.10

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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.