Home / 89,880,640.36-124,120,947.19-84,984,005.49

Finding the Fourth Proportional to 89,880,640.36, 124,120,947.19 and 84,984,005.49

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Solution

The fourth proportional to 89,880,640.36, 124,120,947.19 and 84,984,005.49 is: 117,358,924.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,880,640.36 : 124,120,947.19 = 84,984,005.49 : x
  2. Step 2: Convert to fraction form
    89,880,640.36/124,120,947.19 = 84,984,005.49/x
  3. Step 3: Cross multiply
    89,880,640.36x = 124,120,947.19 × 84,984,005.49
  4. Step 4: Simplify right side
    89,880,640.36x = 10,548,295,257,418,960
  5. Step 5: Solve for x
    x = 10,548,295,257,418,960/89,880,640.36
  6. Step 6: Final answer
    x = 117,358,924.18

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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.