Home / 315,423,009.80-473,134,514.70-133,646,568.20

Finding the Fourth Proportional to 315,423,009.80, 473,134,514.70 and 133,646,568.20

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Solution

The fourth proportional to 315,423,009.80, 473,134,514.70 and 133,646,568.20 is: 200,469,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,423,009.80 : 473,134,514.70 = 133,646,568.20 : x
  2. Step 2: Convert to fraction form
    315,423,009.80/473,134,514.70 = 133,646,568.20/x
  3. Step 3: Cross multiply
    315,423,009.80x = 473,134,514.70 × 133,646,568.20
  4. Step 4: Simplify right side
    315,423,009.80x = 63,232,804,186,627,456
  5. Step 5: Solve for x
    x = 63,232,804,186,627,456/315,423,009.80
  6. Step 6: Final answer
    x = 200,469,852.30

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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.