Home / 307,038,133.55-460,764,428.12-120,268,910.07

Finding the Fourth Proportional to 307,038,133.55, 460,764,428.12 and 120,268,910.07

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Solution

The fourth proportional to 307,038,133.55, 460,764,428.12 and 120,268,910.07 is: 180,484,537.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,038,133.55 : 460,764,428.12 = 120,268,910.07 : x
  2. Step 2: Convert to fraction form
    307,038,133.55/460,764,428.12 = 120,268,910.07/x
  3. Step 3: Cross multiply
    307,038,133.55x = 460,764,428.12 × 120,268,910.07
  4. Step 4: Simplify right side
    307,038,133.55x = 55,415,635,569,019,256
  5. Step 5: Solve for x
    x = 55,415,635,569,019,256/307,038,133.55
  6. Step 6: Final answer
    x = 180,484,537.63

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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.