Home / 230,170,997.71-345,310,948.55-74,724,505.21

Finding the Fourth Proportional to 230,170,997.71, 345,310,948.55 and 74,724,505.21

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Solution

The fourth proportional to 230,170,997.71, 345,310,948.55 and 74,724,505.21 is: 112,104,435.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,170,997.71 : 345,310,948.55 = 74,724,505.21 : x
  2. Step 2: Convert to fraction form
    230,170,997.71/345,310,948.55 = 74,724,505.21/x
  3. Step 3: Cross multiply
    230,170,997.71x = 345,310,948.55 × 74,724,505.21
  4. Step 4: Simplify right side
    230,170,997.71x = 25,803,189,773,994,516
  5. Step 5: Solve for x
    x = 25,803,189,773,994,516/230,170,997.71
  6. Step 6: Final answer
    x = 112,104,435.53

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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.