Home / 177,135,999.40-265,703,999.10-81,584,511.40

Finding the Fourth Proportional to 177,135,999.40, 265,703,999.10 and 81,584,511.40

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Solution

The fourth proportional to 177,135,999.40, 265,703,999.10 and 81,584,511.40 is: 122,376,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,135,999.40 : 265,703,999.10 = 81,584,511.40 : x
  2. Step 2: Convert to fraction form
    177,135,999.40/265,703,999.10 = 81,584,511.40/x
  3. Step 3: Cross multiply
    177,135,999.40x = 265,703,999.10 × 81,584,511.40
  4. Step 4: Simplify right side
    177,135,999.40x = 21,677,330,943,599,540
  5. Step 5: Solve for x
    x = 21,677,330,943,599,540/177,135,999.40
  6. Step 6: Final answer
    x = 122,376,767.10

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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.