Home / 275,078,077.02-412,529,575.32-90,811,243.83

Finding the Fourth Proportional to 275,078,077.02, 412,529,575.32 and 90,811,243.83

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Solution

The fourth proportional to 275,078,077.02, 412,529,575.32 and 90,811,243.83 is: 136,187,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,078,077.02 : 412,529,575.32 = 90,811,243.83 : x
  2. Step 2: Convert to fraction form
    275,078,077.02/412,529,575.32 = 90,811,243.83/x
  3. Step 3: Cross multiply
    275,078,077.02x = 412,529,575.32 × 90,811,243.83
  4. Step 4: Simplify right side
    275,078,077.02x = 37,462,323,851,470,872
  5. Step 5: Solve for x
    x = 37,462,323,851,470,872/275,078,077.02
  6. Step 6: Final answer
    x = 136,187,966.19

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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.