Home / 68,170,043.22-94,076,981.13-40,316,629.92

Finding the Fourth Proportional to 68,170,043.22, 94,076,981.13 and 40,316,629.92

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Solution

The fourth proportional to 68,170,043.22, 94,076,981.13 and 40,316,629.92 is: 55,638,322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,170,043.22 : 94,076,981.13 = 40,316,629.92 : x
  2. Step 2: Convert to fraction form
    68,170,043.22/94,076,981.13 = 40,316,629.92/x
  3. Step 3: Cross multiply
    68,170,043.22x = 94,076,981.13 × 40,316,629.92
  4. Step 4: Simplify right side
    68,170,043.22x = 3,792,866,832,209,033.50
  5. Step 5: Solve for x
    x = 3,792,866,832,209,033.50/68,170,043.22
  6. Step 6: Final answer
    x = 55,638,322.25

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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.