Home / 98,062,149.06-135,331,907.63-54,009,138.33

Finding the Fourth Proportional to 98,062,149.06, 135,331,907.63 and 54,009,138.33

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Solution

The fourth proportional to 98,062,149.06, 135,331,907.63 and 54,009,138.33 is: 74,535,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,062,149.06 : 135,331,907.63 = 54,009,138.33 : x
  2. Step 2: Convert to fraction form
    98,062,149.06/135,331,907.63 = 54,009,138.33/x
  3. Step 3: Cross multiply
    98,062,149.06x = 135,331,907.63 × 54,009,138.33
  4. Step 4: Simplify right side
    98,062,149.06x = 7,309,159,719,381,407
  5. Step 5: Solve for x
    x = 7,309,159,719,381,407/98,062,149.06
  6. Step 6: Final answer
    x = 74,535,993.65

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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.