Home / 269,136,979.20-403,705,468.80-146,692,972.80

Finding the Fourth Proportional to 269,136,979.20, 403,705,468.80 and 146,692,972.80

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Solution

The fourth proportional to 269,136,979.20, 403,705,468.80 and 146,692,972.80 is: 220,039,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,136,979.20 : 403,705,468.80 = 146,692,972.80 : x
  2. Step 2: Convert to fraction form
    269,136,979.20/403,705,468.80 = 146,692,972.80/x
  3. Step 3: Cross multiply
    269,136,979.20x = 403,705,468.80 × 146,692,972.80
  4. Step 4: Simplify right side
    269,136,979.20x = 59,220,755,353,889,656
  5. Step 5: Solve for x
    x = 59,220,755,353,889,656/269,136,979.20
  6. Step 6: Final answer
    x = 220,039,459.20

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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.