Home / 198,205,940.80-297,308,911.20-194,804,718.40

Finding the Fourth Proportional to 198,205,940.80, 297,308,911.20 and 194,804,718.40

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Solution

The fourth proportional to 198,205,940.80, 297,308,911.20 and 194,804,718.40 is: 292,207,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,205,940.80 : 297,308,911.20 = 194,804,718.40 : x
  2. Step 2: Convert to fraction form
    198,205,940.80/297,308,911.20 = 194,804,718.40/x
  3. Step 3: Cross multiply
    198,205,940.80x = 297,308,911.20 × 194,804,718.40
  4. Step 4: Simplify right side
    198,205,940.80x = 57,917,178,724,126,608
  5. Step 5: Solve for x
    x = 57,917,178,724,126,608/198,205,940.80
  6. Step 6: Final answer
    x = 292,207,077.60

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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.