Home / 67,622,640.75-101,450,470.14-21,564,511.07

Finding the Fourth Proportional to 67,622,640.75, 101,450,470.14 and 21,564,511.07

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Solution

The fourth proportional to 67,622,640.75, 101,450,470.14 and 21,564,511.07 is: 32,352,031.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,622,640.75 : 101,450,470.14 = 21,564,511.07 : x
  2. Step 2: Convert to fraction form
    67,622,640.75/101,450,470.14 = 21,564,511.07/x
  3. Step 3: Cross multiply
    67,622,640.75x = 101,450,470.14 × 21,564,511.07
  4. Step 4: Simplify right side
    67,622,640.75x = 2,187,729,785,883,482.25
  5. Step 5: Solve for x
    x = 2,187,729,785,883,482.25/67,622,640.75
  6. Step 6: Final answer
    x = 32,352,031.24

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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.