Home / 179,783,997.80-269,675,996.70-103,342,807.40

Finding the Fourth Proportional to 179,783,997.80, 269,675,996.70 and 103,342,807.40

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Solution

The fourth proportional to 179,783,997.80, 269,675,996.70 and 103,342,807.40 is: 155,014,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,783,997.80 : 269,675,996.70 = 103,342,807.40 : x
  2. Step 2: Convert to fraction form
    179,783,997.80/269,675,996.70 = 103,342,807.40/x
  3. Step 3: Cross multiply
    179,783,997.80x = 269,675,996.70 × 103,342,807.40
  4. Step 4: Simplify right side
    179,783,997.80x = 27,869,074,587,371,136
  5. Step 5: Solve for x
    x = 27,869,074,587,371,136/179,783,997.80
  6. Step 6: Final answer
    x = 155,014,211.10

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1.5x scale

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.