Home / 315,202,940.70-472,166,681.85-218,268,102.30

Finding the Fourth Proportional to 315,202,940.70, 472,166,681.85 and 218,268,102.30

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Solution

The fourth proportional to 315,202,940.70, 472,166,681.85 and 218,268,102.30 is: 326,960,546.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,202,940.70 : 472,166,681.85 = 218,268,102.30 : x
  2. Step 2: Convert to fraction form
    315,202,940.70/472,166,681.85 = 218,268,102.30/x
  3. Step 3: Cross multiply
    315,202,940.70x = 472,166,681.85 × 218,268,102.30
  4. Step 4: Simplify right side
    315,202,940.70x = 103,058,925,616,687,360
  5. Step 5: Solve for x
    x = 103,058,925,616,687,360/315,202,940.70
  6. Step 6: Final answer
    x = 326,960,546.08

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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.