Home / 101,636,749.31-140,259,599.88-55,227,003.08

Finding the Fourth Proportional to 101,636,749.31, 140,259,599.88 and 55,227,003.08

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Solution

The fourth proportional to 101,636,749.31, 140,259,599.88 and 55,227,003.08 is: 76,213,745.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,636,749.31 : 140,259,599.88 = 55,227,003.08 : x
  2. Step 2: Convert to fraction form
    101,636,749.31/140,259,599.88 = 55,227,003.08/x
  3. Step 3: Cross multiply
    101,636,749.31x = 140,259,599.88 × 55,227,003.08
  4. Step 4: Simplify right side
    101,636,749.31x = 7,746,117,354,572,327
  5. Step 5: Solve for x
    x = 7,746,117,354,572,327/101,636,749.31
  6. Step 6: Final answer
    x = 76,213,745.59

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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.