Home / 147,917,554.36-204,132,233.63-81,836,976.40

Finding the Fourth Proportional to 147,917,554.36, 204,132,233.63 and 81,836,976.40

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Solution

The fourth proportional to 147,917,554.36, 204,132,233.63 and 81,836,976.40 is: 112,938,351.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,917,554.36 : 204,132,233.63 = 81,836,976.40 : x
  2. Step 2: Convert to fraction form
    147,917,554.36/204,132,233.63 = 81,836,976.40/x
  3. Step 3: Cross multiply
    147,917,554.36x = 204,132,233.63 × 81,836,976.40
  4. Step 4: Simplify right side
    147,917,554.36x = 16,705,564,784,627,750
  5. Step 5: Solve for x
    x = 16,705,564,784,627,750/147,917,554.36
  6. Step 6: Final answer
    x = 112,938,351.76

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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.