Home / 190,259,189.32-262,553,215.14-111,947,814.76

Finding the Fourth Proportional to 190,259,189.32, 262,553,215.14 and 111,947,814.76

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Solution

The fourth proportional to 190,259,189.32, 262,553,215.14 and 111,947,814.76 is: 154,485,356.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,259,189.32 : 262,553,215.14 = 111,947,814.76 : x
  2. Step 2: Convert to fraction form
    190,259,189.32/262,553,215.14 = 111,947,814.76/x
  3. Step 3: Cross multiply
    190,259,189.32x = 262,553,215.14 × 111,947,814.76
  4. Step 4: Simplify right side
    190,259,189.32x = 29,392,258,693,135,148
  5. Step 5: Solve for x
    x = 29,392,258,693,135,148/190,259,189.32
  6. Step 6: Final answer
    x = 154,485,356.52

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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.