Home / 168,349,367.52-252,533,849.04-47,190,267.36

Finding the Fourth Proportional to 168,349,367.52, 252,533,849.04 and 47,190,267.36

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Solution

The fourth proportional to 168,349,367.52, 252,533,849.04 and 47,190,267.36 is: 70,788,147.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,349,367.52 : 252,533,849.04 = 47,190,267.36 : x
  2. Step 2: Convert to fraction form
    168,349,367.52/252,533,849.04 = 47,190,267.36/x
  3. Step 3: Cross multiply
    168,349,367.52x = 252,533,849.04 × 47,190,267.36
  4. Step 4: Simplify right side
    168,349,367.52x = 11,917,139,853,647,478
  5. Step 5: Solve for x
    x = 11,917,139,853,647,478/168,349,367.52
  6. Step 6: Final answer
    x = 70,788,147.47

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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.