Home / 239,089,143.78-329,944,860.72-134,657,444.34

Finding the Fourth Proportional to 239,089,143.78, 329,944,860.72 and 134,657,444.34

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Solution

The fourth proportional to 239,089,143.78, 329,944,860.72 and 134,657,444.34 is: 185,828,310.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,089,143.78 : 329,944,860.72 = 134,657,444.34 : x
  2. Step 2: Convert to fraction form
    239,089,143.78/329,944,860.72 = 134,657,444.34/x
  3. Step 3: Cross multiply
    239,089,143.78x = 329,944,860.72 × 134,657,444.34
  4. Step 4: Simplify right side
    239,089,143.78x = 44,429,531,717,672,456
  5. Step 5: Solve for x
    x = 44,429,531,717,672,456/239,089,143.78
  6. Step 6: Final answer
    x = 185,828,310.79

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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.