Home / 315,508,198.86-473,271,939.72-108,243,702.14

Finding the Fourth Proportional to 315,508,198.86, 473,271,939.72 and 108,243,702.14

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Solution

The fourth proportional to 315,508,198.86, 473,271,939.72 and 108,243,702.14 is: 162,368,860.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,508,198.86 : 473,271,939.72 = 108,243,702.14 : x
  2. Step 2: Convert to fraction form
    315,508,198.86/473,271,939.72 = 108,243,702.14/x
  3. Step 3: Cross multiply
    315,508,198.86x = 473,271,939.72 × 108,243,702.14
  4. Step 4: Simplify right side
    315,508,198.86x = 51,228,706,871,905,360
  5. Step 5: Solve for x
    x = 51,228,706,871,905,360/315,508,198.86
  6. Step 6: Final answer
    x = 162,368,860.96

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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.