Home / 122,280,163.64-168,747,359.66-66,525,984

Finding the Fourth Proportional to 122,280,163.64, 168,747,359.66 and 66,525,984

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Solution

The fourth proportional to 122,280,163.64, 168,747,359.66 and 66,525,984 is: 91,806,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,280,163.64 : 168,747,359.66 = 66,525,984 : x
  2. Step 2: Convert to fraction form
    122,280,163.64/168,747,359.66 = 66,525,984/x
  3. Step 3: Cross multiply
    122,280,163.64x = 168,747,359.66 × 66,525,984
  4. Step 4: Simplify right side
    122,280,163.64x = 11,226,084,148,450,776
  5. Step 5: Solve for x
    x = 11,226,084,148,450,776/122,280,163.64
  6. Step 6: Final answer
    x = 91,806,257.16

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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.