Home / 87,200,515.36-120,336,825.18-47,507,848.84

Finding the Fourth Proportional to 87,200,515.36, 120,336,825.18 and 47,507,848.84

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Solution

The fourth proportional to 87,200,515.36, 120,336,825.18 and 47,507,848.84 is: 65,560,893.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,200,515.36 : 120,336,825.18 = 47,507,848.84 : x
  2. Step 2: Convert to fraction form
    87,200,515.36/120,336,825.18 = 47,507,848.84/x
  3. Step 3: Cross multiply
    87,200,515.36x = 120,336,825.18 × 47,507,848.84
  4. Step 4: Simplify right side
    87,200,515.36x = 5,716,943,700,536,947
  5. Step 5: Solve for x
    x = 5,716,943,700,536,947/87,200,515.36
  6. Step 6: Final answer
    x = 65,560,893.50

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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.