Home / 83,881,905.76-115,697,402.24-55,990,553.44

Finding the Fourth Proportional to 83,881,905.76, 115,697,402.24 and 55,990,553.44

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Solution

The fourth proportional to 83,881,905.76, 115,697,402.24 and 55,990,553.44 is: 77,227,162.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,881,905.76 : 115,697,402.24 = 55,990,553.44 : x
  2. Step 2: Convert to fraction form
    83,881,905.76/115,697,402.24 = 55,990,553.44/x
  3. Step 3: Cross multiply
    83,881,905.76x = 115,697,402.24 × 55,990,553.44
  4. Step 4: Simplify right side
    83,881,905.76x = 6,477,961,582,987,895
  5. Step 5: Solve for x
    x = 6,477,961,582,987,895/83,881,905.76
  6. Step 6: Final answer
    x = 77,227,162.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.