Home / 100,831,409.70-151,247,114.55-80,676,017.70

Finding the Fourth Proportional to 100,831,409.70, 151,247,114.55 and 80,676,017.70

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Solution

The fourth proportional to 100,831,409.70, 151,247,114.55 and 80,676,017.70 is: 121,014,026.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,831,409.70 : 151,247,114.55 = 80,676,017.70 : x
  2. Step 2: Convert to fraction form
    100,831,409.70/151,247,114.55 = 80,676,017.70/x
  3. Step 3: Cross multiply
    100,831,409.70x = 151,247,114.55 × 80,676,017.70
  4. Step 4: Simplify right side
    100,831,409.70x = 12,202,014,890,509,728
  5. Step 5: Solve for x
    x = 12,202,014,890,509,728/100,831,409.70
  6. Step 6: Final answer
    x = 121,014,026.55

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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.