Home / 109,106,935.20-150,616,673.10-71,959,253.04

Finding the Fourth Proportional to 109,106,935.20, 150,616,673.10 and 71,959,253.04

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Solution

The fourth proportional to 109,106,935.20, 150,616,673.10 and 71,959,253.04 is: 99,336,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,106,935.20 : 150,616,673.10 = 71,959,253.04 : x
  2. Step 2: Convert to fraction form
    109,106,935.20/150,616,673.10 = 71,959,253.04/x
  3. Step 3: Cross multiply
    109,106,935.20x = 150,616,673.10 × 71,959,253.04
  4. Step 4: Simplify right side
    109,106,935.20x = 10,838,263,291,645,862
  5. Step 5: Solve for x
    x = 10,838,263,291,645,862/109,106,935.20
  6. Step 6: Final answer
    x = 99,336,153.76

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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.