Home / 212,324,718.42-292,857,177.51-141,724,733.67

Finding the Fourth Proportional to 212,324,718.42, 292,857,177.51 and 141,724,733.67

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Solution

The fourth proportional to 212,324,718.42, 292,857,177.51 and 141,724,733.67 is: 195,479,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,324,718.42 : 292,857,177.51 = 141,724,733.67 : x
  2. Step 2: Convert to fraction form
    212,324,718.42/292,857,177.51 = 141,724,733.67/x
  3. Step 3: Cross multiply
    212,324,718.42x = 292,857,177.51 × 141,724,733.67
  4. Step 4: Simplify right side
    212,324,718.42x = 41,505,105,485,952,656
  5. Step 5: Solve for x
    x = 41,505,105,485,952,656/212,324,718.42
  6. Step 6: Final answer
    x = 195,479,385.51

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Why These Related Problems?

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