Home / 90,697,896.10-125,161,901.28-51,005,415.04

Finding the Fourth Proportional to 90,697,896.10, 125,161,901.28 and 51,005,415.04

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Solution

The fourth proportional to 90,697,896.10, 125,161,901.28 and 51,005,415.04 is: 70,386,800.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,697,896.10 : 125,161,901.28 = 51,005,415.04 : x
  2. Step 2: Convert to fraction form
    90,697,896.10/125,161,901.28 = 51,005,415.04/x
  3. Step 3: Cross multiply
    90,697,896.10x = 125,161,901.28 × 51,005,415.04
  4. Step 4: Simplify right side
    90,697,896.10x = 6,383,934,721,981,907
  5. Step 5: Solve for x
    x = 6,383,934,721,981,907/90,697,896.10
  6. Step 6: Final answer
    x = 70,386,800.54

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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.