Home / 315,104,929.60-473,143,999.20-171,777,697.60

Finding the Fourth Proportional to 315,104,929.60, 473,143,999.20 and 171,777,697.60

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Solution

The fourth proportional to 315,104,929.60, 473,143,999.20 and 171,777,697.60 is: 257,931,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,104,929.60 : 473,143,999.20 = 171,777,697.60 : x
  2. Step 2: Convert to fraction form
    315,104,929.60/473,143,999.20 = 171,777,697.60/x
  3. Step 3: Cross multiply
    315,104,929.60x = 473,143,999.20 × 171,777,697.60
  4. Step 4: Simplify right side
    315,104,929.60x = 81,275,586,815,832,240
  5. Step 5: Solve for x
    x = 81,275,586,815,832,240/315,104,929.60
  6. Step 6: Final answer
    x = 257,931,816.30

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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.