Home / 99,153,727.38-136,835,462.64-55,102,582.89

Finding the Fourth Proportional to 99,153,727.38, 136,835,462.64 and 55,102,582.89

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Solution

The fourth proportional to 99,153,727.38, 136,835,462.64 and 55,102,582.89 is: 76,043,408.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,153,727.38 : 136,835,462.64 = 55,102,582.89 : x
  2. Step 2: Convert to fraction form
    99,153,727.38/136,835,462.64 = 55,102,582.89/x
  3. Step 3: Cross multiply
    99,153,727.38x = 136,835,462.64 × 55,102,582.89
  4. Step 4: Simplify right side
    99,153,727.38x = 7,539,987,422,412,098
  5. Step 5: Solve for x
    x = 7,539,987,422,412,098/99,153,727.38
  6. Step 6: Final answer
    x = 76,043,408.77

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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.