Home / 153,795,800.76-212,238,881.82-83,231,419.56

Finding the Fourth Proportional to 153,795,800.76, 212,238,881.82 and 83,231,419.56

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Solution

The fourth proportional to 153,795,800.76, 212,238,881.82 and 83,231,419.56 is: 114,859,725.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,795,800.76 : 212,238,881.82 = 83,231,419.56 : x
  2. Step 2: Convert to fraction form
    153,795,800.76/212,238,881.82 = 83,231,419.56/x
  3. Step 3: Cross multiply
    153,795,800.76x = 212,238,881.82 × 83,231,419.56
  4. Step 4: Simplify right side
    153,795,800.76x = 17,664,943,419,705,676
  5. Step 5: Solve for x
    x = 17,664,943,419,705,676/153,795,800.76
  6. Step 6: Final answer
    x = 114,859,725.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.