Home / 198,753,663.35-298,191,338.98-101,778,033.35

Finding the Fourth Proportional to 198,753,663.35, 298,191,338.98 and 101,778,033.35

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Solution

The fourth proportional to 198,753,663.35, 298,191,338.98 and 101,778,033.35 is: 152,698,207.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,753,663.35 : 298,191,338.98 = 101,778,033.35 : x
  2. Step 2: Convert to fraction form
    198,753,663.35/298,191,338.98 = 101,778,033.35/x
  3. Step 3: Cross multiply
    198,753,663.35x = 298,191,338.98 × 101,778,033.35
  4. Step 4: Simplify right side
    198,753,663.35x = 30,349,328,041,896,640
  5. Step 5: Solve for x
    x = 30,349,328,041,896,640/198,753,663.35
  6. Step 6: Final answer
    x = 152,698,207.07

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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.