Home / 112,126,685.40-168,190,028.10-84,916,906.20

Finding the Fourth Proportional to 112,126,685.40, 168,190,028.10 and 84,916,906.20

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Solution

The fourth proportional to 112,126,685.40, 168,190,028.10 and 84,916,906.20 is: 127,375,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,126,685.40 : 168,190,028.10 = 84,916,906.20 : x
  2. Step 2: Convert to fraction form
    112,126,685.40/168,190,028.10 = 84,916,906.20/x
  3. Step 3: Cross multiply
    112,126,685.40x = 168,190,028.10 × 84,916,906.20
  4. Step 4: Simplify right side
    112,126,685.40x = 14,282,176,839,943,064
  5. Step 5: Solve for x
    x = 14,282,176,839,943,064/112,126,685.40
  6. Step 6: Final answer
    x = 127,375,359.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.