Home / 66,051,200.80-99,076,801.20-43,092,949.60

Finding the Fourth Proportional to 66,051,200.80, 99,076,801.20 and 43,092,949.60

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Solution

The fourth proportional to 66,051,200.80, 99,076,801.20 and 43,092,949.60 is: 64,639,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051,200.80 : 99,076,801.20 = 43,092,949.60 : x
  2. Step 2: Convert to fraction form
    66,051,200.80/99,076,801.20 = 43,092,949.60/x
  3. Step 3: Cross multiply
    66,051,200.80x = 99,076,801.20 × 43,092,949.60
  4. Step 4: Simplify right side
    66,051,200.80x = 4,269,511,600,640,820
  5. Step 5: Solve for x
    x = 4,269,511,600,640,820/66,051,200.80
  6. Step 6: Final answer
    x = 64,639,424.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.