Home / 307,861,120.96-461,851,094.32-100,543,797.02

Finding the Fourth Proportional to 307,861,120.96, 461,851,094.32 and 100,543,797.02

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Solution

The fourth proportional to 307,861,120.96, 461,851,094.32 and 100,543,797.02 is: 150,835,099.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,861,120.96 : 461,851,094.32 = 100,543,797.02 : x
  2. Step 2: Convert to fraction form
    307,861,120.96/461,851,094.32 = 100,543,797.02/x
  3. Step 3: Cross multiply
    307,861,120.96x = 461,851,094.32 × 100,543,797.02
  4. Step 4: Simplify right side
    307,861,120.96x = 46,436,262,680,774,952
  5. Step 5: Solve for x
    x = 46,436,262,680,774,952/307,861,120.96
  6. Step 6: Final answer
    x = 150,835,099.07

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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.