Home / 118,098,133.70-177,147,200.55-81,269,272.40

Finding the Fourth Proportional to 118,098,133.70, 177,147,200.55 and 81,269,272.40

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Solution

The fourth proportional to 118,098,133.70, 177,147,200.55 and 81,269,272.40 is: 121,903,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,133.70 : 177,147,200.55 = 81,269,272.40 : x
  2. Step 2: Convert to fraction form
    118,098,133.70/177,147,200.55 = 81,269,272.40/x
  3. Step 3: Cross multiply
    118,098,133.70x = 177,147,200.55 × 81,269,272.40
  4. Step 4: Simplify right side
    118,098,133.70x = 14,396,624,096,395,382
  5. Step 5: Solve for x
    x = 14,396,624,096,395,382/118,098,133.70
  6. Step 6: Final answer
    x = 121,903,908.60

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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.