Home / 50,787,402.70-70,090,938.32-28,764,819.81

Finding the Fourth Proportional to 50,787,402.70, 70,090,938.32 and 28,764,819.81

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Solution

The fourth proportional to 50,787,402.70, 70,090,938.32 and 28,764,819.81 is: 39,697,899.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,787,402.70 : 70,090,938.32 = 28,764,819.81 : x
  2. Step 2: Convert to fraction form
    50,787,402.70/70,090,938.32 = 28,764,819.81/x
  3. Step 3: Cross multiply
    50,787,402.70x = 70,090,938.32 × 28,764,819.81
  4. Step 4: Simplify right side
    50,787,402.70x = 2,016,153,211,088,623.75
  5. Step 5: Solve for x
    x = 2,016,153,211,088,623.75/50,787,402.70
  6. Step 6: Final answer
    x = 39,697,899.56

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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.