Home / 409,460,745.50-614,191,118.28-136,831,512.50

Finding the Fourth Proportional to 409,460,745.50, 614,191,118.28 and 136,831,512.50

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Solution

The fourth proportional to 409,460,745.50, 614,191,118.28 and 136,831,512.50 is: 205,247,268.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,460,745.50 : 614,191,118.28 = 136,831,512.50 : x
  2. Step 2: Convert to fraction form
    409,460,745.50/614,191,118.28 = 136,831,512.50/x
  3. Step 3: Cross multiply
    409,460,745.50x = 614,191,118.28 × 136,831,512.50
  4. Step 4: Simplify right side
    409,460,745.50x = 84,040,699,678,318,800
  5. Step 5: Solve for x
    x = 84,040,699,678,318,800/409,460,745.50
  6. Step 6: Final answer
    x = 205,247,268.76

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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.