Home / 45,355,229.78-67,989,744.36-28,914,364.94

Finding the Fourth Proportional to 45,355,229.78, 67,989,744.36 and 28,914,364.94

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Solution

The fourth proportional to 45,355,229.78, 67,989,744.36 and 28,914,364.94 is: 43,344,070.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,355,229.78 : 67,989,744.36 = 28,914,364.94 : x
  2. Step 2: Convert to fraction form
    45,355,229.78/67,989,744.36 = 28,914,364.94/x
  3. Step 3: Cross multiply
    45,355,229.78x = 67,989,744.36 × 28,914,364.94
  4. Step 4: Simplify right side
    45,355,229.78x = 1,965,880,280,262,398
  5. Step 5: Solve for x
    x = 1,965,880,280,262,398/45,355,229.78
  6. Step 6: Final answer
    x = 43,344,070.57

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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.