Home / 308,850,702.76-463,275,662.91-78,819,792.58

Finding the Fourth Proportional to 308,850,702.76, 463,275,662.91 and 78,819,792.58

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Solution

The fourth proportional to 308,850,702.76, 463,275,662.91 and 78,819,792.58 is: 118,229,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,850,702.76 : 463,275,662.91 = 78,819,792.58 : x
  2. Step 2: Convert to fraction form
    308,850,702.76/463,275,662.91 = 78,819,792.58/x
  3. Step 3: Cross multiply
    308,850,702.76x = 463,275,662.91 × 78,819,792.58
  4. Step 4: Simplify right side
    308,850,702.76x = 36,515,291,657,928,200
  5. Step 5: Solve for x
    x = 36,515,291,657,928,200/308,850,702.76
  6. Step 6: Final answer
    x = 118,229,589.03

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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.