Home / 112,412,793-155,082,152.07-75,255,044.94

Finding the Fourth Proportional to 112,412,793, 155,082,152.07 and 75,255,044.94

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Solution

The fourth proportional to 112,412,793, 155,082,152.07 and 75,255,044.94 is: 103,820,161.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,412,793 : 155,082,152.07 = 75,255,044.94 : x
  2. Step 2: Convert to fraction form
    112,412,793/155,082,152.07 = 75,255,044.94/x
  3. Step 3: Cross multiply
    112,412,793x = 155,082,152.07 × 75,255,044.94
  4. Step 4: Simplify right side
    112,412,793x = 11,670,714,323,419,764
  5. Step 5: Solve for x
    x = 11,670,714,323,419,764/112,412,793
  6. Step 6: Final answer
    x = 103,820,161.50

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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.