Home / 310,296,745.20-465,445,117.80-105,831,490.80

Finding the Fourth Proportional to 310,296,745.20, 465,445,117.80 and 105,831,490.80

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Solution

The fourth proportional to 310,296,745.20, 465,445,117.80 and 105,831,490.80 is: 158,747,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,296,745.20 : 465,445,117.80 = 105,831,490.80 : x
  2. Step 2: Convert to fraction form
    310,296,745.20/465,445,117.80 = 105,831,490.80/x
  3. Step 3: Cross multiply
    310,296,745.20x = 465,445,117.80 × 105,831,490.80
  4. Step 4: Simplify right side
    310,296,745.20x = 49,258,750,702,355,616
  5. Step 5: Solve for x
    x = 49,258,750,702,355,616/310,296,745.20
  6. Step 6: Final answer
    x = 158,747,236.20

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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.