Home / 109,220,912.40-163,831,368.60-99,867,550.80

Finding the Fourth Proportional to 109,220,912.40, 163,831,368.60 and 99,867,550.80

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Solution

The fourth proportional to 109,220,912.40, 163,831,368.60 and 99,867,550.80 is: 149,801,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,220,912.40 : 163,831,368.60 = 99,867,550.80 : x
  2. Step 2: Convert to fraction form
    109,220,912.40/163,831,368.60 = 99,867,550.80/x
  3. Step 3: Cross multiply
    109,220,912.40x = 163,831,368.60 × 99,867,550.80
  4. Step 4: Simplify right side
    109,220,912.40x = 16,361,437,526,294,024
  5. Step 5: Solve for x
    x = 16,361,437,526,294,024/109,220,912.40
  6. Step 6: Final answer
    x = 149,801,326.20

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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.