Home / 53,444,841.30-80,214,501.15-45,792,090.90

Finding the Fourth Proportional to 53,444,841.30, 80,214,501.15 and 45,792,090.90

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Solution

The fourth proportional to 53,444,841.30, 80,214,501.15 and 45,792,090.90 is: 68,728,611.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,444,841.30 : 80,214,501.15 = 45,792,090.90 : x
  2. Step 2: Convert to fraction form
    53,444,841.30/80,214,501.15 = 45,792,090.90/x
  3. Step 3: Cross multiply
    53,444,841.30x = 80,214,501.15 × 45,792,090.90
  4. Step 4: Simplify right side
    53,444,841.30x = 3,673,189,728,158,954.50
  5. Step 5: Solve for x
    x = 3,673,189,728,158,954.50/53,444,841.30
  6. Step 6: Final answer
    x = 68,728,611.38

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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.