Home / 109,274,087.20-163,698,554.40-66,014,789.80

Finding the Fourth Proportional to 109,274,087.20, 163,698,554.40 and 66,014,789.80

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Solution

The fourth proportional to 109,274,087.20, 163,698,554.40 and 66,014,789.80 is: 98,893,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,274,087.20 : 163,698,554.40 = 66,014,789.80 : x
  2. Step 2: Convert to fraction form
    109,274,087.20/163,698,554.40 = 66,014,789.80/x
  3. Step 3: Cross multiply
    109,274,087.20x = 163,698,554.40 × 66,014,789.80
  4. Step 4: Simplify right side
    109,274,087.20x = 10,806,525,659,279,866
  5. Step 5: Solve for x
    x = 10,806,525,659,279,866/109,274,087.20
  6. Step 6: Final answer
    x = 98,893,762.80

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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.