Home / 314,929,574.80-472,394,362.20-161,591,131.60

Finding the Fourth Proportional to 314,929,574.80, 472,394,362.20 and 161,591,131.60

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Solution

The fourth proportional to 314,929,574.80, 472,394,362.20 and 161,591,131.60 is: 242,386,697.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,574.80 : 472,394,362.20 = 161,591,131.60 : x
  2. Step 2: Convert to fraction form
    314,929,574.80/472,394,362.20 = 161,591,131.60/x
  3. Step 3: Cross multiply
    314,929,574.80x = 472,394,362.20 × 161,591,131.60
  4. Step 4: Simplify right side
    314,929,574.80x = 76,334,739,549,358,256
  5. Step 5: Solve for x
    x = 76,334,739,549,358,256/314,929,574.80
  6. Step 6: Final answer
    x = 242,386,697.40

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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.