Home / 66,325,385.80-91,529,221.98-38,453,512.60

Finding the Fourth Proportional to 66,325,385.80, 91,529,221.98 and 38,453,512.60

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Solution

The fourth proportional to 66,325,385.80, 91,529,221.98 and 38,453,512.60 is: 53,065,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,325,385.80 : 91,529,221.98 = 38,453,512.60 : x
  2. Step 2: Convert to fraction form
    66,325,385.80/91,529,221.98 = 38,453,512.60/x
  3. Step 3: Cross multiply
    66,325,385.80x = 91,529,221.98 × 38,453,512.60
  4. Step 4: Simplify right side
    66,325,385.80x = 3,519,620,090,676,127
  5. Step 5: Solve for x
    x = 3,519,620,090,676,127/66,325,385.80
  6. Step 6: Final answer
    x = 53,065,957.30

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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.