Home / 190,599,296.40-285,177,480.84-112,917,905.28

Finding the Fourth Proportional to 190,599,296.40, 285,177,480.84 and 112,917,905.28

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Solution

The fourth proportional to 190,599,296.40, 285,177,480.84 and 112,917,905.28 is: 168,949,436.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,599,296.40 : 285,177,480.84 = 112,917,905.28 : x
  2. Step 2: Convert to fraction form
    190,599,296.40/285,177,480.84 = 112,917,905.28/x
  3. Step 3: Cross multiply
    190,599,296.40x = 285,177,480.84 × 112,917,905.28
  4. Step 4: Simplify right side
    190,599,296.40x = 32,201,643,769,480,132
  5. Step 5: Solve for x
    x = 32,201,643,769,480,132/190,599,296.40
  6. Step 6: Final answer
    x = 168,949,436.74

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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.