Home / 198,753,663.85-298,191,339.73-101,778,033.85

Finding the Fourth Proportional to 198,753,663.85, 298,191,339.73 and 101,778,033.85

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Solution

The fourth proportional to 198,753,663.85, 298,191,339.73 and 101,778,033.85 is: 152,698,207.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,753,663.85 : 298,191,339.73 = 101,778,033.85 : x
  2. Step 2: Convert to fraction form
    198,753,663.85/298,191,339.73 = 101,778,033.85/x
  3. Step 3: Cross multiply
    198,753,663.85x = 298,191,339.73 × 101,778,033.85
  4. Step 4: Simplify right side
    198,753,663.85x = 30,349,328,267,325,836
  5. Step 5: Solve for x
    x = 30,349,328,267,325,836/198,753,663.85
  6. Step 6: Final answer
    x = 152,698,207.82

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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.