Home / 85,395,936.69-117,758,309.76-73,046,909.16

Finding the Fourth Proportional to 85,395,936.69, 117,758,309.76 and 73,046,909.16

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Solution

The fourth proportional to 85,395,936.69, 117,758,309.76 and 73,046,909.16 is: 100,729,389.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,395,936.69 : 117,758,309.76 = 73,046,909.16 : x
  2. Step 2: Convert to fraction form
    85,395,936.69/117,758,309.76 = 73,046,909.16/x
  3. Step 3: Cross multiply
    85,395,936.69x = 117,758,309.76 × 73,046,909.16
  4. Step 4: Simplify right side
    85,395,936.69x = 8,601,880,555,873,861
  5. Step 5: Solve for x
    x = 8,601,880,555,873,861/85,395,936.69
  6. Step 6: Final answer
    x = 100,729,389.35

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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.