Home / 219,781,013.60-329,820,819.60-122,736,533.60

Finding the Fourth Proportional to 219,781,013.60, 329,820,819.60 and 122,736,533.60

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Solution

The fourth proportional to 219,781,013.60, 329,820,819.60 and 122,736,533.60 is: 184,188,176.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,781,013.60 : 329,820,819.60 = 122,736,533.60 : x
  2. Step 2: Convert to fraction form
    219,781,013.60/329,820,819.60 = 122,736,533.60/x
  3. Step 3: Cross multiply
    219,781,013.60x = 329,820,819.60 × 122,736,533.60
  4. Step 4: Simplify right side
    219,781,013.60x = 40,481,064,106,814,936
  5. Step 5: Solve for x
    x = 40,481,064,106,814,936/219,781,013.60
  6. Step 6: Final answer
    x = 184,188,176.42

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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.