Home / 120,771,570,143.79-166,665,271,958.01-66,576,929,200.25

Finding the Fourth Proportional to 120,771,570,143.79, 166,665,271,958.01 and 66,576,929,200.25

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Solution

The fourth proportional to 120,771,570,143.79, 166,665,271,958.01 and 66,576,929,200.25 is: 91,876,440,772.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,771,570,143.79 : 166,665,271,958.01 = 66,576,929,200.25 : x
  2. Step 2: Convert to fraction form
    120,771,570,143.79/166,665,271,958.01 = 66,576,929,200.25/x
  3. Step 3: Cross multiply
    120,771,570,143.79x = 166,665,271,958.01 × 66,576,929,200.25
  4. Step 4: Simplify right side
    120,771,570,143.79x = 11,096,062,011,288,510,791,680
  5. Step 5: Solve for x
    x = 11,096,062,011,288,510,791,680/120,771,570,143.79
  6. Step 6: Final answer
    x = 91,876,440,772.26

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1.5x scale

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.