Home / 80,762,605.20-121,143,907.80-37,617,469.20

Finding the Fourth Proportional to 80,762,605.20, 121,143,907.80 and 37,617,469.20

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Solution

The fourth proportional to 80,762,605.20, 121,143,907.80 and 37,617,469.20 is: 56,426,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,762,605.20 : 121,143,907.80 = 37,617,469.20 : x
  2. Step 2: Convert to fraction form
    80,762,605.20/121,143,907.80 = 37,617,469.20/x
  3. Step 3: Cross multiply
    80,762,605.20x = 121,143,907.80 × 37,617,469.20
  4. Step 4: Simplify right side
    80,762,605.20x = 4,557,127,220,434,140
  5. Step 5: Solve for x
    x = 4,557,127,220,434,140/80,762,605.20
  6. Step 6: Final answer
    x = 56,426,203.80

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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.