Home / 109,274,745.20-163,912,117.80-103,004,178.80

Finding the Fourth Proportional to 109,274,745.20, 163,912,117.80 and 103,004,178.80

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Solution

The fourth proportional to 109,274,745.20, 163,912,117.80 and 103,004,178.80 is: 154,506,268.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,274,745.20 : 163,912,117.80 = 103,004,178.80 : x
  2. Step 2: Convert to fraction form
    109,274,745.20/163,912,117.80 = 103,004,178.80/x
  3. Step 3: Cross multiply
    109,274,745.20x = 163,912,117.80 × 103,004,178.80
  4. Step 4: Simplify right side
    109,274,745.20x = 16,883,633,089,357,864
  5. Step 5: Solve for x
    x = 16,883,633,089,357,864/109,274,745.20
  6. Step 6: Final answer
    x = 154,506,268.20

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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.