Home / 148,951,998.72-223,425,755.76-67,013,013.72

Finding the Fourth Proportional to 148,951,998.72, 223,425,755.76 and 67,013,013.72

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Solution

The fourth proportional to 148,951,998.72, 223,425,755.76 and 67,013,013.72 is: 100,518,511.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,951,998.72 : 223,425,755.76 = 67,013,013.72 : x
  2. Step 2: Convert to fraction form
    148,951,998.72/223,425,755.76 = 67,013,013.72/x
  3. Step 3: Cross multiply
    148,951,998.72x = 223,425,755.76 × 67,013,013.72
  4. Step 4: Simplify right side
    148,951,998.72x = 14,972,433,236,146,248
  5. Step 5: Solve for x
    x = 14,972,433,236,146,248/148,951,998.72
  6. Step 6: Final answer
    x = 100,518,511.77

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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.