Home / 319,807,536.48-441,334,548-173,129,820.48

Finding the Fourth Proportional to 319,807,536.48, 441,334,548 and 173,129,820.48

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Solution

The fourth proportional to 319,807,536.48, 441,334,548 and 173,129,820.48 is: 238,919,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,807,536.48 : 441,334,548 = 173,129,820.48 : x
  2. Step 2: Convert to fraction form
    319,807,536.48/441,334,548 = 173,129,820.48/x
  3. Step 3: Cross multiply
    319,807,536.48x = 441,334,548 × 173,129,820.48
  4. Step 4: Simplify right side
    319,807,536.48x = 76,408,171,066,861,936
  5. Step 5: Solve for x
    x = 76,408,171,066,861,936/319,807,536.48
  6. Step 6: Final answer
    x = 238,919,232.20

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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.