Home / 315,106,025.10-473,145,642.45-171,778,793.10

Finding the Fourth Proportional to 315,106,025.10, 473,145,642.45 and 171,778,793.10

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Solution

The fourth proportional to 315,106,025.10, 473,145,642.45 and 171,778,793.10 is: 257,933,460.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,106,025.10 : 473,145,642.45 = 171,778,793.10 : x
  2. Step 2: Convert to fraction form
    315,106,025.10/473,145,642.45 = 171,778,793.10/x
  3. Step 3: Cross multiply
    315,106,025.10x = 473,145,642.45 × 171,778,793.10
  4. Step 4: Simplify right side
    315,106,025.10x = 81,276,387,420,585,120
  5. Step 5: Solve for x
    x = 81,276,387,420,585,120/315,106,025.10
  6. Step 6: Final answer
    x = 257,933,460.32

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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.