Home / 147,104,916.87-203,004,775.52-85,261,127.67

Finding the Fourth Proportional to 147,104,916.87, 203,004,775.52 and 85,261,127.67

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Solution

The fourth proportional to 147,104,916.87, 203,004,775.52 and 85,261,127.67 is: 117,660,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,104,916.87 : 203,004,775.52 = 85,261,127.67 : x
  2. Step 2: Convert to fraction form
    147,104,916.87/203,004,775.52 = 85,261,127.67/x
  3. Step 3: Cross multiply
    147,104,916.87x = 203,004,775.52 × 85,261,127.67
  4. Step 4: Simplify right side
    147,104,916.87x = 17,308,416,082,804,104
  5. Step 5: Solve for x
    x = 17,308,416,082,804,104/147,104,916.87
  6. Step 6: Final answer
    x = 117,660,350.52

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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.