Home / 68,076,618.66-101,583,969.78-60,739,642.04

Finding the Fourth Proportional to 68,076,618.66, 101,583,969.78 and 60,739,642.04

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Solution

The fourth proportional to 68,076,618.66, 101,583,969.78 and 60,739,642.04 is: 90,635,729.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,076,618.66 : 101,583,969.78 = 60,739,642.04 : x
  2. Step 2: Convert to fraction form
    68,076,618.66/101,583,969.78 = 60,739,642.04/x
  3. Step 3: Cross multiply
    68,076,618.66x = 101,583,969.78 × 60,739,642.04
  4. Step 4: Simplify right side
    68,076,618.66x = 6,170,173,961,439,378
  5. Step 5: Solve for x
    x = 6,170,173,961,439,378/68,076,618.66
  6. Step 6: Final answer
    x = 90,635,729.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.