Home / 122,280,158.74-168,747,352.92-66,525,979.11

Finding the Fourth Proportional to 122,280,158.74, 168,747,352.92 and 66,525,979.11

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Solution

The fourth proportional to 122,280,158.74, 168,747,352.92 and 66,525,979.11 is: 91,806,250.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,280,158.74 : 168,747,352.92 = 66,525,979.11 : x
  2. Step 2: Convert to fraction form
    122,280,158.74/168,747,352.92 = 66,525,979.11/x
  3. Step 3: Cross multiply
    122,280,158.74x = 168,747,352.92 × 66,525,979.11
  4. Step 4: Simplify right side
    122,280,158.74x = 11,226,082,874,785,526
  5. Step 5: Solve for x
    x = 11,226,082,874,785,526/122,280,158.74
  6. Step 6: Final answer
    x = 91,806,250.42

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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.