Home / 191,760,901.78-264,629,930.27-103,654,900.63

Finding the Fourth Proportional to 191,760,901.78, 264,629,930.27 and 103,654,900.63

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Solution

The fourth proportional to 191,760,901.78, 264,629,930.27 and 103,654,900.63 is: 143,043,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,760,901.78 : 264,629,930.27 = 103,654,900.63 : x
  2. Step 2: Convert to fraction form
    191,760,901.78/264,629,930.27 = 103,654,900.63/x
  3. Step 3: Cross multiply
    191,760,901.78x = 264,629,930.27 × 103,654,900.63
  4. Step 4: Simplify right side
    191,760,901.78x = 27,430,189,125,860,680
  5. Step 5: Solve for x
    x = 27,430,189,125,860,680/191,760,901.78
  6. Step 6: Final answer
    x = 143,043,701.15

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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.