Home / 150,405,111.66-225,608,446.02-68,466,687.12

Finding the Fourth Proportional to 150,405,111.66, 225,608,446.02 and 68,466,687.12

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Solution

The fourth proportional to 150,405,111.66, 225,608,446.02 and 68,466,687.12 is: 102,700,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,405,111.66 : 225,608,446.02 = 68,466,687.12 : x
  2. Step 2: Convert to fraction form
    150,405,111.66/225,608,446.02 = 68,466,687.12/x
  3. Step 3: Cross multiply
    150,405,111.66x = 225,608,446.02 × 68,466,687.12
  4. Step 4: Simplify right side
    150,405,111.66x = 15,446,662,885,280,752
  5. Step 5: Solve for x
    x = 15,446,662,885,280,752/150,405,111.66
  6. Step 6: Final answer
    x = 102,700,385.08

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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.