Home / 409,460,764.50-614,191,146.75-136,831,531.50

Finding the Fourth Proportional to 409,460,764.50, 614,191,146.75 and 136,831,531.50

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Solution

The fourth proportional to 409,460,764.50, 614,191,146.75 and 136,831,531.50 is: 205,247,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,460,764.50 : 614,191,146.75 = 136,831,531.50 : x
  2. Step 2: Convert to fraction form
    409,460,764.50/614,191,146.75 = 136,831,531.50/x
  3. Step 3: Cross multiply
    409,460,764.50x = 614,191,146.75 × 136,831,531.50
  4. Step 4: Simplify right side
    409,460,764.50x = 84,040,715,243,543,744
  5. Step 5: Solve for x
    x = 84,040,715,243,543,744/409,460,764.50
  6. Step 6: Final answer
    x = 205,247,297.25

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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.