Home / 168,588,044.70-252,756,095.85-91,997,555.10

Finding the Fourth Proportional to 168,588,044.70, 252,756,095.85 and 91,997,555.10

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Solution

The fourth proportional to 168,588,044.70, 252,756,095.85 and 91,997,555.10 is: 137,927,590.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,588,044.70 : 252,756,095.85 = 91,997,555.10 : x
  2. Step 2: Convert to fraction form
    168,588,044.70/252,756,095.85 = 91,997,555.10/x
  3. Step 3: Cross multiply
    168,588,044.70x = 252,756,095.85 × 91,997,555.10
  4. Step 4: Simplify right side
    168,588,044.70x = 23,252,942,854,821,256
  5. Step 5: Solve for x
    x = 23,252,942,854,821,256/168,588,044.70
  6. Step 6: Final answer
    x = 137,927,590.87

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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.