Home / 319,807,256.32-441,334,161.60-173,129,540.48

Finding the Fourth Proportional to 319,807,256.32, 441,334,161.60 and 173,129,540.48

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Solution

The fourth proportional to 319,807,256.32, 441,334,161.60 and 173,129,540.48 is: 238,918,845.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,807,256.32 : 441,334,161.60 = 173,129,540.48 : x
  2. Step 2: Convert to fraction form
    319,807,256.32/441,334,161.60 = 173,129,540.48/x
  3. Step 3: Cross multiply
    319,807,256.32x = 441,334,161.60 × 173,129,540.48
  4. Step 4: Simplify right side
    319,807,256.32x = 76,407,980,595,934,064
  5. Step 5: Solve for x
    x = 76,407,980,595,934,064/319,807,256.32
  6. Step 6: Final answer
    x = 238,918,845.92

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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.