Home / 43,997,186.40-66,003,652.80-18,440,779.20

Finding the Fourth Proportional to 43,997,186.40, 66,003,652.80 and 18,440,779.20

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Solution

The fourth proportional to 43,997,186.40, 66,003,652.80 and 18,440,779.20 is: 27,664,468.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,997,186.40 : 66,003,652.80 = 18,440,779.20 : x
  2. Step 2: Convert to fraction form
    43,997,186.40/66,003,652.80 = 18,440,779.20/x
  3. Step 3: Cross multiply
    43,997,186.40x = 66,003,652.80 × 18,440,779.20
  4. Step 4: Simplify right side
    43,997,186.40x = 1,217,158,787,678,261.75
  5. Step 5: Solve for x
    x = 1,217,158,787,678,261.75/43,997,186.40
  6. Step 6: Final answer
    x = 27,664,468.74

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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.