Home / 122,509,942.40-183,764,913.60-111,172,534.40

Finding the Fourth Proportional to 122,509,942.40, 183,764,913.60 and 111,172,534.40

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Solution

The fourth proportional to 122,509,942.40, 183,764,913.60 and 111,172,534.40 is: 166,758,801.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,509,942.40 : 183,764,913.60 = 111,172,534.40 : x
  2. Step 2: Convert to fraction form
    122,509,942.40/183,764,913.60 = 111,172,534.40/x
  3. Step 3: Cross multiply
    122,509,942.40x = 183,764,913.60 × 111,172,534.40
  4. Step 4: Simplify right side
    122,509,942.40x = 20,429,611,178,709,028
  5. Step 5: Solve for x
    x = 20,429,611,178,709,028/122,509,942.40
  6. Step 6: Final answer
    x = 166,758,801.60

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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.