Home / 168,497,042.40-252,556,606.80-86,584,269.60

Finding the Fourth Proportional to 168,497,042.40, 252,556,606.80 and 86,584,269.60

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Solution

The fourth proportional to 168,497,042.40, 252,556,606.80 and 86,584,269.60 is: 129,779,306.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,497,042.40 : 252,556,606.80 = 86,584,269.60 : x
  2. Step 2: Convert to fraction form
    168,497,042.40/252,556,606.80 = 86,584,269.60/x
  3. Step 3: Cross multiply
    168,497,042.40x = 252,556,606.80 × 86,584,269.60
  4. Step 4: Simplify right side
    168,497,042.40x = 21,867,429,332,432,392
  5. Step 5: Solve for x
    x = 21,867,429,332,432,392/168,497,042.40
  6. Step 6: Final answer
    x = 129,779,306.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.