Home / 42,303,329.40-63,464,325.30-13,550,791.80

Finding the Fourth Proportional to 42,303,329.40, 63,464,325.30 and 13,550,791.80

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Solution

The fourth proportional to 42,303,329.40, 63,464,325.30 and 13,550,791.80 is: 20,329,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,303,329.40 : 63,464,325.30 = 13,550,791.80 : x
  2. Step 2: Convert to fraction form
    42,303,329.40/63,464,325.30 = 13,550,791.80/x
  3. Step 3: Cross multiply
    42,303,329.40x = 63,464,325.30 × 13,550,791.80
  4. Step 4: Simplify right side
    42,303,329.40x = 859,991,858,867,772.50
  5. Step 5: Solve for x
    x = 859,991,858,867,772.50/42,303,329.40
  6. Step 6: Final answer
    x = 20,329,176.71

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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.