Home / 166,788,528.48-230,167,770.80-91,434,721.78

Finding the Fourth Proportional to 166,788,528.48, 230,167,770.80 and 91,434,721.78

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Solution

The fourth proportional to 166,788,528.48, 230,167,770.80 and 91,434,721.78 is: 126,179,697.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,788,528.48 : 230,167,770.80 = 91,434,721.78 : x
  2. Step 2: Convert to fraction form
    166,788,528.48/230,167,770.80 = 91,434,721.78/x
  3. Step 3: Cross multiply
    166,788,528.48x = 230,167,770.80 × 91,434,721.78
  4. Step 4: Simplify right side
    166,788,528.48x = 21,045,326,085,820,808
  5. Step 5: Solve for x
    x = 21,045,326,085,820,808/166,788,528.48
  6. Step 6: Final answer
    x = 126,179,697.59

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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.