Home / 123,642,387.92-185,457,596.52-46,959,431.60

Finding the Fourth Proportional to 123,642,387.92, 185,457,596.52 and 46,959,431.60

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Solution

The fourth proportional to 123,642,387.92, 185,457,596.52 and 46,959,431.60 is: 70,436,874.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,642,387.92 : 185,457,596.52 = 46,959,431.60 : x
  2. Step 2: Convert to fraction form
    123,642,387.92/185,457,596.52 = 46,959,431.60/x
  3. Step 3: Cross multiply
    123,642,387.92x = 185,457,596.52 × 46,959,431.60
  4. Step 4: Simplify right side
    123,642,387.92x = 8,708,983,318,481,339
  5. Step 5: Solve for x
    x = 8,708,983,318,481,339/123,642,387.92
  6. Step 6: Final answer
    x = 70,436,874.16

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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.