Home / 326,399,692.30-489,174,385.65-132,152,101.90

Finding the Fourth Proportional to 326,399,692.30, 489,174,385.65 and 132,152,101.90

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Solution

The fourth proportional to 326,399,692.30, 489,174,385.65 and 132,152,101.90 is: 198,056,017.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,399,692.30 : 489,174,385.65 = 132,152,101.90 : x
  2. Step 2: Convert to fraction form
    326,399,692.30/489,174,385.65 = 132,152,101.90/x
  3. Step 3: Cross multiply
    326,399,692.30x = 489,174,385.65 × 132,152,101.90
  4. Step 4: Simplify right side
    326,399,692.30x = 64,645,423,259,288,696
  5. Step 5: Solve for x
    x = 64,645,423,259,288,696/326,399,692.30
  6. Step 6: Final answer
    x = 198,056,017.77

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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.