Home / 136,973,904.42-189,023,942.61-75,092,914.38

Finding the Fourth Proportional to 136,973,904.42, 189,023,942.61 and 75,092,914.38

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Solution

The fourth proportional to 136,973,904.42, 189,023,942.61 and 75,092,914.38 is: 103,628,196.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,973,904.42 : 189,023,942.61 = 75,092,914.38 : x
  2. Step 2: Convert to fraction form
    136,973,904.42/189,023,942.61 = 75,092,914.38/x
  3. Step 3: Cross multiply
    136,973,904.42x = 189,023,942.61 × 75,092,914.38
  4. Step 4: Simplify right side
    136,973,904.42x = 14,194,358,738,182,764
  5. Step 5: Solve for x
    x = 14,194,358,738,182,764/136,973,904.42
  6. Step 6: Final answer
    x = 103,628,196.91

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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.