Home / 66,200,288.06-91,348,461.08-36,824,197.88

Finding the Fourth Proportional to 66,200,288.06, 91,348,461.08 and 36,824,197.88

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Solution

The fourth proportional to 66,200,288.06, 91,348,461.08 and 36,824,197.88 is: 50,812,978.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,200,288.06 : 91,348,461.08 = 36,824,197.88 : x
  2. Step 2: Convert to fraction form
    66,200,288.06/91,348,461.08 = 36,824,197.88/x
  3. Step 3: Cross multiply
    66,200,288.06x = 91,348,461.08 × 36,824,197.88
  4. Step 4: Simplify right side
    66,200,288.06x = 3,363,833,806,843,398.50
  5. Step 5: Solve for x
    x = 3,363,833,806,843,398.50/66,200,288.06
  6. Step 6: Final answer
    x = 50,812,978.39

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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.