Home / 102,165,126.05-140,985,906.65-55,755,712.13

Finding the Fourth Proportional to 102,165,126.05, 140,985,906.65 and 55,755,712.13

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Solution

The fourth proportional to 102,165,126.05, 140,985,906.65 and 55,755,712.13 is: 76,941,809.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,165,126.05 : 140,985,906.65 = 55,755,712.13 : x
  2. Step 2: Convert to fraction form
    102,165,126.05/140,985,906.65 = 55,755,712.13/x
  3. Step 3: Cross multiply
    102,165,126.05x = 140,985,906.65 × 55,755,712.13
  4. Step 4: Simplify right side
    102,165,126.05x = 7,860,769,624,789,829
  5. Step 5: Solve for x
    x = 7,860,769,624,789,829/102,165,126.05
  6. Step 6: Final answer
    x = 76,941,809.09

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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.