Home / 50,985,138.68-70,359,501.46-27,780,265.70

Finding the Fourth Proportional to 50,985,138.68, 70,359,501.46 and 27,780,265.70

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Solution

The fourth proportional to 50,985,138.68, 70,359,501.46 and 27,780,265.70 is: 38,336,772.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,985,138.68 : 70,359,501.46 = 27,780,265.70 : x
  2. Step 2: Convert to fraction form
    50,985,138.68/70,359,501.46 = 27,780,265.70/x
  3. Step 3: Cross multiply
    50,985,138.68x = 70,359,501.46 × 27,780,265.70
  4. Step 4: Simplify right side
    50,985,138.68x = 1,954,605,645,078,337.75
  5. Step 5: Solve for x
    x = 1,954,605,645,078,337.75/50,985,138.68
  6. Step 6: Final answer
    x = 38,336,772.16

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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.