Home / 121,540,736.10-167,726,224.02-66,536,592.60

Finding the Fourth Proportional to 121,540,736.10, 167,726,224.02 and 66,536,592.60

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Solution

The fourth proportional to 121,540,736.10, 167,726,224.02 and 66,536,592.60 is: 91,820,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,540,736.10 : 167,726,224.02 = 66,536,592.60 : x
  2. Step 2: Convert to fraction form
    121,540,736.10/167,726,224.02 = 66,536,592.60/x
  3. Step 3: Cross multiply
    121,540,736.10x = 167,726,224.02 × 66,536,592.60
  4. Step 4: Simplify right side
    121,540,736.10x = 11,159,931,435,955,076
  5. Step 5: Solve for x
    x = 11,159,931,435,955,076/121,540,736.10
  6. Step 6: Final answer
    x = 91,820,502.28

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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.