Home / 115,434,600.40-159,299,903.82-62,511,400.36

Finding the Fourth Proportional to 115,434,600.40, 159,299,903.82 and 62,511,400.36

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Solution

The fourth proportional to 115,434,600.40, 159,299,903.82 and 62,511,400.36 is: 86,265,816.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,434,600.40 : 159,299,903.82 = 62,511,400.36 : x
  2. Step 2: Convert to fraction form
    115,434,600.40/159,299,903.82 = 62,511,400.36/x
  3. Step 3: Cross multiply
    115,434,600.40x = 159,299,903.82 × 62,511,400.36
  4. Step 4: Simplify right side
    115,434,600.40x = 9,958,060,065,001,512
  5. Step 5: Solve for x
    x = 9,958,060,065,001,512/115,434,600.40
  6. Step 6: Final answer
    x = 86,265,816.58

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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.