Home / 112,277,621.96-155,015,995.14-100,496,471.48

Finding the Fourth Proportional to 112,277,621.96, 155,015,995.14 and 100,496,471.48

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Solution

The fourth proportional to 112,277,621.96, 155,015,995.14 and 100,496,471.48 is: 138,750,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,277,621.96 : 155,015,995.14 = 100,496,471.48 : x
  2. Step 2: Convert to fraction form
    112,277,621.96/155,015,995.14 = 100,496,471.48/x
  3. Step 3: Cross multiply
    112,277,621.96x = 155,015,995.14 × 100,496,471.48
  4. Step 4: Simplify right side
    112,277,621.96x = 15,578,560,534,530,828
  5. Step 5: Solve for x
    x = 15,578,560,534,530,828/112,277,621.96
  6. Step 6: Final answer
    x = 138,750,360.60

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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.