Home / 315,790,002.25-473,584,263.10-108,478,422.64

Finding the Fourth Proportional to 315,790,002.25, 473,584,263.10 and 108,478,422.64

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Solution

The fourth proportional to 315,790,002.25, 473,584,263.10 and 108,478,422.64 is: 162,683,028.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,790,002.25 : 473,584,263.10 = 108,478,422.64 : x
  2. Step 2: Convert to fraction form
    315,790,002.25/473,584,263.10 = 108,478,422.64/x
  3. Step 3: Cross multiply
    315,790,002.25x = 473,584,263.10 × 108,478,422.64
  4. Step 4: Simplify right side
    315,790,002.25x = 51,373,673,845,874,000
  5. Step 5: Solve for x
    x = 51,373,673,845,874,000/315,790,002.25
  6. Step 6: Final answer
    x = 162,683,028.21

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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.