Home / 43,149,832.20-64,724,748.30-38,446,907.40

Finding the Fourth Proportional to 43,149,832.20, 64,724,748.30 and 38,446,907.40

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Solution

The fourth proportional to 43,149,832.20, 64,724,748.30 and 38,446,907.40 is: 57,670,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,149,832.20 : 64,724,748.30 = 38,446,907.40 : x
  2. Step 2: Convert to fraction form
    43,149,832.20/64,724,748.30 = 38,446,907.40/x
  3. Step 3: Cross multiply
    43,149,832.20x = 64,724,748.30 × 38,446,907.40
  4. Step 4: Simplify right side
    43,149,832.20x = 2,488,466,404,378,407
  5. Step 5: Solve for x
    x = 2,488,466,404,378,407/43,149,832.20
  6. Step 6: Final answer
    x = 57,670,361.10

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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.