Home / 77,880,062.60-116,820,093.90-39,616,310.60

Finding the Fourth Proportional to 77,880,062.60, 116,820,093.90 and 39,616,310.60

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Solution

The fourth proportional to 77,880,062.60, 116,820,093.90 and 39,616,310.60 is: 59,424,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,880,062.60 : 116,820,093.90 = 39,616,310.60 : x
  2. Step 2: Convert to fraction form
    77,880,062.60/116,820,093.90 = 39,616,310.60/x
  3. Step 3: Cross multiply
    77,880,062.60x = 116,820,093.90 × 39,616,310.60
  4. Step 4: Simplify right side
    77,880,062.60x = 4,627,981,124,263,566
  5. Step 5: Solve for x
    x = 4,627,981,124,263,566/77,880,062.60
  6. Step 6: Final answer
    x = 59,424,465.90

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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.