Home / 168,588,048.70-252,756,101.85-91,997,559.10

Finding the Fourth Proportional to 168,588,048.70, 252,756,101.85 and 91,997,559.10

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Solution

The fourth proportional to 168,588,048.70, 252,756,101.85 and 91,997,559.10 is: 137,927,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,588,048.70 : 252,756,101.85 = 91,997,559.10 : x
  2. Step 2: Convert to fraction form
    168,588,048.70/252,756,101.85 = 91,997,559.10/x
  3. Step 3: Cross multiply
    168,588,048.70x = 252,756,101.85 × 91,997,559.10
  4. Step 4: Simplify right side
    168,588,048.70x = 23,252,944,417,830,992
  5. Step 5: Solve for x
    x = 23,252,944,417,830,992/168,588,048.70
  6. Step 6: Final answer
    x = 137,927,596.87

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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.