Home / 147,104,427.64-203,004,100.62-85,260,638.56

Finding the Fourth Proportional to 147,104,427.64, 203,004,100.62 and 85,260,638.56

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Solution

The fourth proportional to 147,104,427.64, 203,004,100.62 and 85,260,638.56 is: 117,659,675.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,104,427.64 : 203,004,100.62 = 85,260,638.56 : x
  2. Step 2: Convert to fraction form
    147,104,427.64/203,004,100.62 = 85,260,638.56/x
  3. Step 3: Cross multiply
    147,104,427.64x = 203,004,100.62 × 85,260,638.56
  4. Step 4: Simplify right side
    147,104,427.64x = 17,308,259,249,159,692
  5. Step 5: Solve for x
    x = 17,308,259,249,159,692/147,104,427.64
  6. Step 6: Final answer
    x = 117,659,675.69

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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.