Home / 245,232,615.39-338,418,538.74-133,723,173.60

Finding the Fourth Proportional to 245,232,615.39, 338,418,538.74 and 133,723,173.60

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Solution

The fourth proportional to 245,232,615.39, 338,418,538.74 and 133,723,173.60 is: 184,536,632.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,232,615.39 : 338,418,538.74 = 133,723,173.60 : x
  2. Step 2: Convert to fraction form
    245,232,615.39/338,418,538.74 = 133,723,173.60/x
  3. Step 3: Cross multiply
    245,232,615.39x = 338,418,538.74 × 133,723,173.60
  4. Step 4: Simplify right side
    245,232,615.39x = 45,254,401,005,387,344
  5. Step 5: Solve for x
    x = 45,254,401,005,387,344/245,232,615.39
  6. Step 6: Final answer
    x = 184,536,632.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.