Home / 299,450,129.40-448,419,366.90-196,657,630.20

Finding the Fourth Proportional to 299,450,129.40, 448,419,366.90 and 196,657,630.20

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Solution

The fourth proportional to 299,450,129.40, 448,419,366.90 and 196,657,630.20 is: 294,490,071.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,450,129.40 : 448,419,366.90 = 196,657,630.20 : x
  2. Step 2: Convert to fraction form
    299,450,129.40/448,419,366.90 = 196,657,630.20/x
  3. Step 3: Cross multiply
    299,450,129.40x = 448,419,366.90 × 196,657,630.20
  4. Step 4: Simplify right side
    299,450,129.40x = 88,185,090,030,338,304
  5. Step 5: Solve for x
    x = 88,185,090,030,338,304/299,450,129.40
  6. Step 6: Final answer
    x = 294,490,071.54

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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.