Home / 69,066,707.20-103,637,385.60-30,734,137.60

Finding the Fourth Proportional to 69,066,707.20, 103,637,385.60 and 30,734,137.60

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Solution

The fourth proportional to 69,066,707.20, 103,637,385.60 and 30,734,137.60 is: 46,117,815.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,066,707.20 : 103,637,385.60 = 30,734,137.60 : x
  2. Step 2: Convert to fraction form
    69,066,707.20/103,637,385.60 = 30,734,137.60/x
  3. Step 3: Cross multiply
    69,066,707.20x = 103,637,385.60 × 30,734,137.60
  4. Step 4: Simplify right side
    69,066,707.20x = 3,185,205,669,534,658.50
  5. Step 5: Solve for x
    x = 3,185,205,669,534,658.50/69,066,707.20
  6. Step 6: Final answer
    x = 46,117,815.64

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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.