Home / 66,616,201.02-91,955,725.83-43,416,971.58

Finding the Fourth Proportional to 66,616,201.02, 91,955,725.83 and 43,416,971.58

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Solution

The fourth proportional to 66,616,201.02, 91,955,725.83 and 43,416,971.58 is: 59,931,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,616,201.02 : 91,955,725.83 = 43,416,971.58 : x
  2. Step 2: Convert to fraction form
    66,616,201.02/91,955,725.83 = 43,416,971.58/x
  3. Step 3: Cross multiply
    66,616,201.02x = 91,955,725.83 × 43,416,971.58
  4. Step 4: Simplify right side
    66,616,201.02x = 3,992,439,134,979,381.50
  5. Step 5: Solve for x
    x = 3,992,439,134,979,381.50/66,616,201.02
  6. Step 6: Final answer
    x = 59,931,954.60

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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.