Home / 84,876,893.76-127,061,577.44-51,983,892.96

Finding the Fourth Proportional to 84,876,893.76, 127,061,577.44 and 51,983,892.96

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Solution

The fourth proportional to 84,876,893.76, 127,061,577.44 and 51,983,892.96 is: 77,820,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,876,893.76 : 127,061,577.44 = 51,983,892.96 : x
  2. Step 2: Convert to fraction form
    84,876,893.76/127,061,577.44 = 51,983,892.96/x
  3. Step 3: Cross multiply
    84,876,893.76x = 127,061,577.44 × 51,983,892.96
  4. Step 4: Simplify right side
    84,876,893.76x = 6,605,155,440,969,711
  5. Step 5: Solve for x
    x = 6,605,155,440,969,711/84,876,893.76
  6. Step 6: Final answer
    x = 77,820,419.06

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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.