Home / 315,035,248.20-472,552,872.30-85,003,963.80

Finding the Fourth Proportional to 315,035,248.20, 472,552,872.30 and 85,003,963.80

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Solution

The fourth proportional to 315,035,248.20, 472,552,872.30 and 85,003,963.80 is: 127,505,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,035,248.20 : 472,552,872.30 = 85,003,963.80 : x
  2. Step 2: Convert to fraction form
    315,035,248.20/472,552,872.30 = 85,003,963.80/x
  3. Step 3: Cross multiply
    315,035,248.20x = 472,552,872.30 × 85,003,963.80
  4. Step 4: Simplify right side
    315,035,248.20x = 40,168,867,250,575,224
  5. Step 5: Solve for x
    x = 40,168,867,250,575,224/315,035,248.20
  6. Step 6: Final answer
    x = 127,505,945.70

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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.