Home / 315,105,939.60-473,145,514.20-171,778,707.60

Finding the Fourth Proportional to 315,105,939.60, 473,145,514.20 and 171,778,707.60

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Solution

The fourth proportional to 315,105,939.60, 473,145,514.20 and 171,778,707.60 is: 257,933,332.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,105,939.60 : 473,145,514.20 = 171,778,707.60 : x
  2. Step 2: Convert to fraction form
    315,105,939.60/473,145,514.20 = 171,778,707.60/x
  3. Step 3: Cross multiply
    315,105,939.60x = 473,145,514.20 × 171,778,707.60
  4. Step 4: Simplify right side
    315,105,939.60x = 81,276,324,936,013,440
  5. Step 5: Solve for x
    x = 81,276,324,936,013,440/315,105,939.60
  6. Step 6: Final answer
    x = 257,933,332.01

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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.