Home / 308,850,679.02-463,275,627.24-78,819,768.84

Finding the Fourth Proportional to 308,850,679.02, 463,275,627.24 and 78,819,768.84

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Solution

The fourth proportional to 308,850,679.02, 463,275,627.24 and 78,819,768.84 is: 118,229,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,850,679.02 : 463,275,627.24 = 78,819,768.84 : x
  2. Step 2: Convert to fraction form
    308,850,679.02/463,275,627.24 = 78,819,768.84/x
  3. Step 3: Cross multiply
    308,850,679.02x = 463,275,627.24 × 78,819,768.84
  4. Step 4: Simplify right side
    308,850,679.02x = 36,515,277,848,262,808
  5. Step 5: Solve for x
    x = 36,515,277,848,262,808/308,850,679.02
  6. Step 6: Final answer
    x = 118,229,553.40

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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.