Home / 80,493,684.96-111,091,323.24-45,697,640.16

Finding the Fourth Proportional to 80,493,684.96, 111,091,323.24 and 45,697,640.16

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Solution

The fourth proportional to 80,493,684.96, 111,091,323.24 and 45,697,640.16 is: 63,068,442.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,493,684.96 : 111,091,323.24 = 45,697,640.16 : x
  2. Step 2: Convert to fraction form
    80,493,684.96/111,091,323.24 = 45,697,640.16/x
  3. Step 3: Cross multiply
    80,493,684.96x = 111,091,323.24 × 45,697,640.16
  4. Step 4: Simplify right side
    80,493,684.96x = 5,076,611,314,319,765
  5. Step 5: Solve for x
    x = 5,076,611,314,319,765/80,493,684.96
  6. Step 6: Final answer
    x = 63,068,442.16

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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.