Home / 39,698,821.20-59,548,231.80-19,543,429.20

Finding the Fourth Proportional to 39,698,821.20, 59,548,231.80 and 19,543,429.20

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Solution

The fourth proportional to 39,698,821.20, 59,548,231.80 and 19,543,429.20 is: 29,315,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,698,821.20 : 59,548,231.80 = 19,543,429.20 : x
  2. Step 2: Convert to fraction form
    39,698,821.20/59,548,231.80 = 19,543,429.20/x
  3. Step 3: Cross multiply
    39,698,821.20x = 59,548,231.80 × 19,543,429.20
  4. Step 4: Simplify right side
    39,698,821.20x = 1,163,776,652,168,488.50
  5. Step 5: Solve for x
    x = 1,163,776,652,168,488.50/39,698,821.20
  6. Step 6: Final answer
    x = 29,315,143.80

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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.