Home / 111,534,124.60-167,360,630.10-43,379,039.80

Finding the Fourth Proportional to 111,534,124.60, 167,360,630.10 and 43,379,039.80

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Solution

The fourth proportional to 111,534,124.60, 167,360,630.10 and 43,379,039.80 is: 65,091,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,534,124.60 : 167,360,630.10 = 43,379,039.80 : x
  2. Step 2: Convert to fraction form
    111,534,124.60/167,360,630.10 = 43,379,039.80/x
  3. Step 3: Cross multiply
    111,534,124.60x = 167,360,630.10 × 43,379,039.80
  4. Step 4: Simplify right side
    111,534,124.60x = 7,259,943,434,060,977
  5. Step 5: Solve for x
    x = 7,259,943,434,060,977/111,534,124.60
  6. Step 6: Final answer
    x = 65,091,678.98

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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.