Home / 307,867,045.86-424,856,389.03-166,738,272.73

Finding the Fourth Proportional to 307,867,045.86, 424,856,389.03 and 166,738,272.73

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Solution

The fourth proportional to 307,867,045.86, 424,856,389.03 and 166,738,272.73 is: 230,098,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,867,045.86 : 424,856,389.03 = 166,738,272.73 : x
  2. Step 2: Convert to fraction form
    307,867,045.86/424,856,389.03 = 166,738,272.73/x
  3. Step 3: Cross multiply
    307,867,045.86x = 424,856,389.03 × 166,738,272.73
  4. Step 4: Simplify right side
    307,867,045.86x = 70,839,820,463,688,128
  5. Step 5: Solve for x
    x = 70,839,820,463,688,128/307,867,045.86
  6. Step 6: Final answer
    x = 230,098,743.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.