Home / 83,232,003.70-124,848,005.55-76,662,838.90

Finding the Fourth Proportional to 83,232,003.70, 124,848,005.55 and 76,662,838.90

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Solution

The fourth proportional to 83,232,003.70, 124,848,005.55 and 76,662,838.90 is: 114,994,258.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,232,003.70 : 124,848,005.55 = 76,662,838.90 : x
  2. Step 2: Convert to fraction form
    83,232,003.70/124,848,005.55 = 76,662,838.90/x
  3. Step 3: Cross multiply
    83,232,003.70x = 124,848,005.55 × 76,662,838.90
  4. Step 4: Simplify right side
    83,232,003.70x = 9,571,202,536,465,956
  5. Step 5: Solve for x
    x = 9,571,202,536,465,956/83,232,003.70
  6. Step 6: Final answer
    x = 114,994,258.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.