Home / 30,446,139.40-45,669,209.10-27,422,830.60

Finding the Fourth Proportional to 30,446,139.40, 45,669,209.10 and 27,422,830.60

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Solution

The fourth proportional to 30,446,139.40, 45,669,209.10 and 27,422,830.60 is: 41,134,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,446,139.40 : 45,669,209.10 = 27,422,830.60 : x
  2. Step 2: Convert to fraction form
    30,446,139.40/45,669,209.10 = 27,422,830.60/x
  3. Step 3: Cross multiply
    30,446,139.40x = 45,669,209.10 × 27,422,830.60
  4. Step 4: Simplify right side
    30,446,139.40x = 1,252,378,984,785,278.50
  5. Step 5: Solve for x
    x = 1,252,378,984,785,278.50/30,446,139.40
  6. Step 6: Final answer
    x = 41,134,245.90

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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.