Home / 139,696,889.28-209,543,859.36-54,595,608

Finding the Fourth Proportional to 139,696,889.28, 209,543,859.36 and 54,595,608

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Solution

The fourth proportional to 139,696,889.28, 209,543,859.36 and 54,595,608 is: 81,892,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,696,889.28 : 209,543,859.36 = 54,595,608 : x
  2. Step 2: Convert to fraction form
    139,696,889.28/209,543,859.36 = 54,595,608/x
  3. Step 3: Cross multiply
    139,696,889.28x = 209,543,859.36 × 54,595,608
  4. Step 4: Simplify right side
    139,696,889.28x = 11,440,174,404,425,692
  5. Step 5: Solve for x
    x = 11,440,174,404,425,692/139,696,889.28
  6. Step 6: Final answer
    x = 81,892,835.72

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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.