Home / 74,599,230.89-111,775,142.39-45,364,637.56

Finding the Fourth Proportional to 74,599,230.89, 111,775,142.39 and 45,364,637.56

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Solution

The fourth proportional to 74,599,230.89, 111,775,142.39 and 45,364,637.56 is: 67,971,730.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,599,230.89 : 111,775,142.39 = 45,364,637.56 : x
  2. Step 2: Convert to fraction form
    74,599,230.89/111,775,142.39 = 45,364,637.56/x
  3. Step 3: Cross multiply
    74,599,230.89x = 111,775,142.39 × 45,364,637.56
  4. Step 4: Simplify right side
    74,599,230.89x = 5,070,638,822,512,919
  5. Step 5: Solve for x
    x = 5,070,638,822,512,919/74,599,230.89
  6. Step 6: Final answer
    x = 67,971,730.57

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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.