Home / 149,365,940,607.31-206,125,619,066.54-80,777,353,720.90

Finding the Fourth Proportional to 149,365,940,607.31, 206,125,619,066.54 and 80,777,353,720.90

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Solution

The fourth proportional to 149,365,940,607.31, 206,125,619,066.54 and 80,777,353,720.90 is: 111,473,083,988.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,365,940,607.31 : 206,125,619,066.54 = 80,777,353,720.90 : x
  2. Step 2: Convert to fraction form
    149,365,940,607.31/206,125,619,066.54 = 80,777,353,720.90/x
  3. Step 3: Cross multiply
    149,365,940,607.31x = 206,125,619,066.54 × 80,777,353,720.90
  4. Step 4: Simplify right side
    149,365,940,607.31x = 16,650,282,042,277,389,926,400
  5. Step 5: Solve for x
    x = 16,650,282,042,277,389,926,400/149,365,940,607.31
  6. Step 6: Final answer
    x = 111,473,083,988.08

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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.