Home / 293,147,297.60-439,968,952.20-120,747,837.20

Finding the Fourth Proportional to 293,147,297.60, 439,968,952.20 and 120,747,837.20

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Solution

The fourth proportional to 293,147,297.60, 439,968,952.20 and 120,747,837.20 is: 181,223,909.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,147,297.60 : 439,968,952.20 = 120,747,837.20 : x
  2. Step 2: Convert to fraction form
    293,147,297.60/439,968,952.20 = 120,747,837.20/x
  3. Step 3: Cross multiply
    293,147,297.60x = 439,968,952.20 × 120,747,837.20
  4. Step 4: Simplify right side
    293,147,297.60x = 53,125,299,413,300,184
  5. Step 5: Solve for x
    x = 53,125,299,413,300,184/293,147,297.60
  6. Step 6: Final answer
    x = 181,223,909.78

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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.