Home / 66,200,288.58-91,348,461.78-36,824,198.40

Finding the Fourth Proportional to 66,200,288.58, 91,348,461.78 and 36,824,198.40

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Solution

The fourth proportional to 66,200,288.58, 91,348,461.78 and 36,824,198.40 is: 50,812,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,200,288.58 : 91,348,461.78 = 36,824,198.40 : x
  2. Step 2: Convert to fraction form
    66,200,288.58/91,348,461.78 = 36,824,198.40/x
  3. Step 3: Cross multiply
    66,200,288.58x = 91,348,461.78 × 36,824,198.40
  4. Step 4: Simplify right side
    66,200,288.58x = 3,363,833,880,121,537
  5. Step 5: Solve for x
    x = 3,363,833,880,121,537/66,200,288.58
  6. Step 6: Final answer
    x = 50,812,979.10

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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.