Home / 199,070,246.80-298,560,557.40-71,419,430.80

Finding the Fourth Proportional to 199,070,246.80, 298,560,557.40 and 71,419,430.80

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Solution

The fourth proportional to 199,070,246.80, 298,560,557.40 and 71,419,430.80 is: 107,113,068.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,070,246.80 : 298,560,557.40 = 71,419,430.80 : x
  2. Step 2: Convert to fraction form
    199,070,246.80/298,560,557.40 = 71,419,430.80/x
  3. Step 3: Cross multiply
    199,070,246.80x = 298,560,557.40 × 71,419,430.80
  4. Step 4: Simplify right side
    199,070,246.80x = 21,323,025,068,838,724
  5. Step 5: Solve for x
    x = 21,323,025,068,838,724/199,070,246.80
  6. Step 6: Final answer
    x = 107,113,068.94

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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.