Home / 136,701,062.37-188,647,942.32-73,977,144.69

Finding the Fourth Proportional to 136,701,062.37, 188,647,942.32 and 73,977,144.69

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Solution

The fourth proportional to 136,701,062.37, 188,647,942.32 and 73,977,144.69 is: 102,088,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,701,062.37 : 188,647,942.32 = 73,977,144.69 : x
  2. Step 2: Convert to fraction form
    136,701,062.37/188,647,942.32 = 73,977,144.69/x
  3. Step 3: Cross multiply
    136,701,062.37x = 188,647,942.32 × 73,977,144.69
  4. Step 4: Simplify right side
    136,701,062.37x = 13,955,636,124,477,414
  5. Step 5: Solve for x
    x = 13,955,636,124,477,414/136,701,062.37
  6. Step 6: Final answer
    x = 102,088,717.40

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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.