Home / 122,280,164.65-168,747,361.09-66,525,985.02

Finding the Fourth Proportional to 122,280,164.65, 168,747,361.09 and 66,525,985.02

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Solution

The fourth proportional to 122,280,164.65, 168,747,361.09 and 66,525,985.02 is: 91,806,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,280,164.65 : 168,747,361.09 = 66,525,985.02 : x
  2. Step 2: Convert to fraction form
    122,280,164.65/168,747,361.09 = 66,525,985.02/x
  3. Step 3: Cross multiply
    122,280,164.65x = 168,747,361.09 × 66,525,985.02
  4. Step 4: Simplify right side
    122,280,164.65x = 11,226,084,416,504,358
  5. Step 5: Solve for x
    x = 11,226,084,416,504,358/122,280,164.65
  6. Step 6: Final answer
    x = 91,806,258.60

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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.