Home / 55,204,123.71-76,180,378.53-30,087,026.09

Finding the Fourth Proportional to 55,204,123.71, 76,180,378.53 and 30,087,026.09

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Solution

The fourth proportional to 55,204,123.71, 76,180,378.53 and 30,087,026.09 is: 41,519,380.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,204,123.71 : 76,180,378.53 = 30,087,026.09 : x
  2. Step 2: Convert to fraction form
    55,204,123.71/76,180,378.53 = 30,087,026.09/x
  3. Step 3: Cross multiply
    55,204,123.71x = 76,180,378.53 × 30,087,026.09
  4. Step 4: Simplify right side
    55,204,123.71x = 2,292,041,035,997,284
  5. Step 5: Solve for x
    x = 2,292,041,035,997,284/55,204,123.71
  6. Step 6: Final answer
    x = 41,519,380.84

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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.