Home / 198,450,856.91-297,656,889.14-60,277,663.89

Finding the Fourth Proportional to 198,450,856.91, 297,656,889.14 and 60,277,663.89

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Solution

The fourth proportional to 198,450,856.91, 297,656,889.14 and 60,277,663.89 is: 90,410,604.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,450,856.91 : 297,656,889.14 = 60,277,663.89 : x
  2. Step 2: Convert to fraction form
    198,450,856.91/297,656,889.14 = 60,277,663.89/x
  3. Step 3: Cross multiply
    198,450,856.91x = 297,656,889.14 × 60,277,663.89
  4. Step 4: Simplify right side
    198,450,856.91x = 17,942,061,918,274,604
  5. Step 5: Solve for x
    x = 17,942,061,918,274,604/198,450,856.91
  6. Step 6: Final answer
    x = 90,410,604.41

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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.