Home / 55,558,221.35-76,675,053.71-30,786,178.64

Finding the Fourth Proportional to 55,558,221.35, 76,675,053.71 and 30,786,178.64

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Solution

The fourth proportional to 55,558,221.35, 76,675,053.71 and 30,786,178.64 is: 42,487,535.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,558,221.35 : 76,675,053.71 = 30,786,178.64 : x
  2. Step 2: Convert to fraction form
    55,558,221.35/76,675,053.71 = 30,786,178.64/x
  3. Step 3: Cross multiply
    55,558,221.35x = 76,675,053.71 × 30,786,178.64
  4. Step 4: Simplify right side
    55,558,221.35x = 2,360,531,900,593,724
  5. Step 5: Solve for x
    x = 2,360,531,900,593,724/55,558,221.35
  6. Step 6: Final answer
    x = 42,487,535.48

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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.