Home / 99,168,440.40-148,752,660.60-71,816,943.60

Finding the Fourth Proportional to 99,168,440.40, 148,752,660.60 and 71,816,943.60

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Solution

The fourth proportional to 99,168,440.40, 148,752,660.60 and 71,816,943.60 is: 107,725,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,168,440.40 : 148,752,660.60 = 71,816,943.60 : x
  2. Step 2: Convert to fraction form
    99,168,440.40/148,752,660.60 = 71,816,943.60/x
  3. Step 3: Cross multiply
    99,168,440.40x = 148,752,660.60 × 71,816,943.60
  4. Step 4: Simplify right side
    99,168,440.40x = 10,682,961,436,660,140
  5. Step 5: Solve for x
    x = 10,682,961,436,660,140/99,168,440.40
  6. Step 6: Final answer
    x = 107,725,415.40

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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.