Home / 315,104,997.60-473,144,101.20-171,777,765.60

Finding the Fourth Proportional to 315,104,997.60, 473,144,101.20 and 171,777,765.60

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Solution

The fourth proportional to 315,104,997.60, 473,144,101.20 and 171,777,765.60 is: 257,931,918.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,104,997.60 : 473,144,101.20 = 171,777,765.60 : x
  2. Step 2: Convert to fraction form
    315,104,997.60/473,144,101.20 = 171,777,765.60/x
  3. Step 3: Cross multiply
    315,104,997.60x = 473,144,101.20 × 171,777,765.60
  4. Step 4: Simplify right side
    315,104,997.60x = 81,275,636,510,956,272
  5. Step 5: Solve for x
    x = 81,275,636,510,956,272/315,104,997.60
  6. Step 6: Final answer
    x = 257,931,918.34

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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.