Home / 121,447,166.40-167,598,979.20-66,443,941.44

Finding the Fourth Proportional to 121,447,166.40, 167,598,979.20 and 66,443,941.44

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Solution

The fourth proportional to 121,447,166.40, 167,598,979.20 and 66,443,941.44 is: 91,693,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,447,166.40 : 167,598,979.20 = 66,443,941.44 : x
  2. Step 2: Convert to fraction form
    121,447,166.40/167,598,979.20 = 66,443,941.44/x
  3. Step 3: Cross multiply
    121,447,166.40x = 167,598,979.20 × 66,443,941.44
  4. Step 4: Simplify right side
    121,447,166.40x = 11,135,936,759,368,576
  5. Step 5: Solve for x
    x = 11,135,936,759,368,576/121,447,166.40
  6. Step 6: Final answer
    x = 91,693,672.97

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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.