Home / 83,421,094-125,203,680.78-57,880,039.54

Finding the Fourth Proportional to 83,421,094, 125,203,680.78 and 57,880,039.54

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Solution

The fourth proportional to 83,421,094, 125,203,680.78 and 57,880,039.54 is: 86,870,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,421,094 : 125,203,680.78 = 57,880,039.54 : x
  2. Step 2: Convert to fraction form
    83,421,094/125,203,680.78 = 57,880,039.54/x
  3. Step 3: Cross multiply
    83,421,094x = 125,203,680.78 × 57,880,039.54
  4. Step 4: Simplify right side
    83,421,094x = 7,246,793,994,099,938
  5. Step 5: Solve for x
    x = 7,246,793,994,099,938/83,421,094
  6. Step 6: Final answer
    x = 86,870,042.65

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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.