Home / 293,416,621.80-440,124,932.70-140,361,613.80

Finding the Fourth Proportional to 293,416,621.80, 440,124,932.70 and 140,361,613.80

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Solution

The fourth proportional to 293,416,621.80, 440,124,932.70 and 140,361,613.80 is: 210,542,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,416,621.80 : 440,124,932.70 = 140,361,613.80 : x
  2. Step 2: Convert to fraction form
    293,416,621.80/440,124,932.70 = 140,361,613.80/x
  3. Step 3: Cross multiply
    293,416,621.80x = 440,124,932.70 × 140,361,613.80
  4. Step 4: Simplify right side
    293,416,621.80x = 61,776,645,827,388,392
  5. Step 5: Solve for x
    x = 61,776,645,827,388,392/293,416,621.80
  6. Step 6: Final answer
    x = 210,542,420.70

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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.