Home / 79,401,431.21-109,569,171.62-44,118,029.87

Finding the Fourth Proportional to 79,401,431.21, 109,569,171.62 and 44,118,029.87

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Solution

The fourth proportional to 79,401,431.21, 109,569,171.62 and 44,118,029.87 is: 60,880,212.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,401,431.21 : 109,569,171.62 = 44,118,029.87 : x
  2. Step 2: Convert to fraction form
    79,401,431.21/109,569,171.62 = 44,118,029.87/x
  3. Step 3: Cross multiply
    79,401,431.21x = 109,569,171.62 × 44,118,029.87
  4. Step 4: Simplify right side
    79,401,431.21x = 4,833,975,986,362,316
  5. Step 5: Solve for x
    x = 4,833,975,986,362,316/79,401,431.21
  6. Step 6: Final answer
    x = 60,880,212.27

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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.