Home / 71,130,905.54-98,160,749.25-38,535,857.54

Finding the Fourth Proportional to 71,130,905.54, 98,160,749.25 and 38,535,857.54

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Solution

The fourth proportional to 71,130,905.54, 98,160,749.25 and 38,535,857.54 is: 53,179,537.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,130,905.54 : 98,160,749.25 = 38,535,857.54 : x
  2. Step 2: Convert to fraction form
    71,130,905.54/98,160,749.25 = 38,535,857.54/x
  3. Step 3: Cross multiply
    71,130,905.54x = 98,160,749.25 × 38,535,857.54
  4. Step 4: Simplify right side
    71,130,905.54x = 3,782,708,649,117,662
  5. Step 5: Solve for x
    x = 3,782,708,649,117,662/71,130,905.54
  6. Step 6: Final answer
    x = 53,179,537.37

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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.