Home / 299,128,220.80-448,734,321.60-94,634,972.80

Finding the Fourth Proportional to 299,128,220.80, 448,734,321.60 and 94,634,972.80

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Solution

The fourth proportional to 299,128,220.80, 448,734,321.60 and 94,634,972.80 is: 141,965,743.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,128,220.80 : 448,734,321.60 = 94,634,972.80 : x
  2. Step 2: Convert to fraction form
    299,128,220.80/448,734,321.60 = 94,634,972.80/x
  3. Step 3: Cross multiply
    299,128,220.80x = 448,734,321.60 × 94,634,972.80
  4. Step 4: Simplify right side
    299,128,220.80x = 42,465,960,319,042,456
  5. Step 5: Solve for x
    x = 42,465,960,319,042,456/299,128,220.80
  6. Step 6: Final answer
    x = 141,965,743.67

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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.