Home / 235,179,952.40-324,531,487.32-129,340,820

Finding the Fourth Proportional to 235,179,952.40, 324,531,487.32 and 129,340,820

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Solution

The fourth proportional to 235,179,952.40, 324,531,487.32 and 129,340,820 is: 178,481,066.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,179,952.40 : 324,531,487.32 = 129,340,820 : x
  2. Step 2: Convert to fraction form
    235,179,952.40/324,531,487.32 = 129,340,820/x
  3. Step 3: Cross multiply
    235,179,952.40x = 324,531,487.32 × 129,340,820
  4. Step 4: Simplify right side
    235,179,952.40x = 41,975,168,685,788,400
  5. Step 5: Solve for x
    x = 41,975,168,685,788,400/235,179,952.40
  6. Step 6: Final answer
    x = 178,481,066.34

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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.