Home / 118,098,368.70-177,147,553.05-72,181,866.30

Finding the Fourth Proportional to 118,098,368.70, 177,147,553.05 and 72,181,866.30

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Solution

The fourth proportional to 118,098,368.70, 177,147,553.05 and 72,181,866.30 is: 108,272,799.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,368.70 : 177,147,553.05 = 72,181,866.30 : x
  2. Step 2: Convert to fraction form
    118,098,368.70/177,147,553.05 = 72,181,866.30/x
  3. Step 3: Cross multiply
    118,098,368.70x = 177,147,553.05 × 72,181,866.30
  4. Step 4: Simplify right side
    118,098,368.70x = 12,786,840,989,627,258
  5. Step 5: Solve for x
    x = 12,786,840,989,627,258/118,098,368.70
  6. Step 6: Final answer
    x = 108,272,799.45

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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.