Home / 43,118,977.60-64,678,466.40-20,444,161.60

Finding the Fourth Proportional to 43,118,977.60, 64,678,466.40 and 20,444,161.60

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Solution

The fourth proportional to 43,118,977.60, 64,678,466.40 and 20,444,161.60 is: 30,666,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,118,977.60 : 64,678,466.40 = 20,444,161.60 : x
  2. Step 2: Convert to fraction form
    43,118,977.60/64,678,466.40 = 20,444,161.60/x
  3. Step 3: Cross multiply
    43,118,977.60x = 64,678,466.40 × 20,444,161.60
  4. Step 4: Simplify right side
    43,118,977.60x = 1,322,297,019,121,770.25
  5. Step 5: Solve for x
    x = 1,322,297,019,121,770.25/43,118,977.60
  6. Step 6: Final answer
    x = 30,666,242.40

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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.