Home / 132,848,015.80-199,272,023.70-79,100,303.80

Finding the Fourth Proportional to 132,848,015.80, 199,272,023.70 and 79,100,303.80

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Solution

The fourth proportional to 132,848,015.80, 199,272,023.70 and 79,100,303.80 is: 118,650,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,848,015.80 : 199,272,023.70 = 79,100,303.80 : x
  2. Step 2: Convert to fraction form
    132,848,015.80/199,272,023.70 = 79,100,303.80/x
  3. Step 3: Cross multiply
    132,848,015.80x = 199,272,023.70 × 79,100,303.80
  4. Step 4: Simplify right side
    132,848,015.80x = 15,762,477,613,510,798
  5. Step 5: Solve for x
    x = 15,762,477,613,510,798/132,848,015.80
  6. Step 6: Final answer
    x = 118,650,455.70

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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.