Home / 149,365,940,607.56-206,125,619,066.88-80,777,353,721.16

Finding the Fourth Proportional to 149,365,940,607.56, 206,125,619,066.88 and 80,777,353,721.16

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Solution

The fourth proportional to 149,365,940,607.56, 206,125,619,066.88 and 80,777,353,721.16 is: 111,473,083,988.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,365,940,607.56 : 206,125,619,066.88 = 80,777,353,721.16 : x
  2. Step 2: Convert to fraction form
    149,365,940,607.56/206,125,619,066.88 = 80,777,353,721.16/x
  3. Step 3: Cross multiply
    149,365,940,607.56x = 206,125,619,066.88 × 80,777,353,721.16
  4. Step 4: Simplify right side
    149,365,940,607.56x = 16,650,282,042,358,449,045,504
  5. Step 5: Solve for x
    x = 16,650,282,042,358,449,045,504/149,365,940,607.56
  6. Step 6: Final answer
    x = 111,473,083,988.44

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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.