Home / 315,508,198.73-473,271,939.53-108,243,702.01

Finding the Fourth Proportional to 315,508,198.73, 473,271,939.53 and 108,243,702.01

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Solution

The fourth proportional to 315,508,198.73, 473,271,939.53 and 108,243,702.01 is: 162,368,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,508,198.73 : 473,271,939.53 = 108,243,702.01 : x
  2. Step 2: Convert to fraction form
    315,508,198.73/473,271,939.53 = 108,243,702.01/x
  3. Step 3: Cross multiply
    315,508,198.73x = 473,271,939.53 × 108,243,702.01
  4. Step 4: Simplify right side
    315,508,198.73x = 51,228,706,792,180,056
  5. Step 5: Solve for x
    x = 51,228,706,792,180,056/315,508,198.73
  6. Step 6: Final answer
    x = 162,368,860.77

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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.