Home / 293,422,975.20-440,134,462.80-157,374,079.20

Finding the Fourth Proportional to 293,422,975.20, 440,134,462.80 and 157,374,079.20

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Solution

The fourth proportional to 293,422,975.20, 440,134,462.80 and 157,374,079.20 is: 236,061,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,422,975.20 : 440,134,462.80 = 157,374,079.20 : x
  2. Step 2: Convert to fraction form
    293,422,975.20/440,134,462.80 = 157,374,079.20/x
  3. Step 3: Cross multiply
    293,422,975.20x = 440,134,462.80 × 157,374,079.20
  4. Step 4: Simplify right side
    293,422,975.20x = 69,265,755,807,336,648
  5. Step 5: Solve for x
    x = 69,265,755,807,336,648/293,422,975.20
  6. Step 6: Final answer
    x = 236,061,118.80

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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.