Home / 109,274,066.20-163,698,522.90-66,014,768.80

Finding the Fourth Proportional to 109,274,066.20, 163,698,522.90 and 66,014,768.80

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Solution

The fourth proportional to 109,274,066.20, 163,698,522.90 and 66,014,768.80 is: 98,893,731.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,274,066.20 : 163,698,522.90 = 66,014,768.80 : x
  2. Step 2: Convert to fraction form
    109,274,066.20/163,698,522.90 = 66,014,768.80/x
  3. Step 3: Cross multiply
    109,274,066.20x = 163,698,522.90 × 66,014,768.80
  4. Step 4: Simplify right side
    109,274,066.20x = 10,806,520,142,145,006
  5. Step 5: Solve for x
    x = 10,806,520,142,145,006/109,274,066.20
  6. Step 6: Final answer
    x = 98,893,731.31

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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.