Home / 409,460,765.50-614,191,148.25-136,831,532.50

Finding the Fourth Proportional to 409,460,765.50, 614,191,148.25 and 136,831,532.50

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Solution

The fourth proportional to 409,460,765.50, 614,191,148.25 and 136,831,532.50 is: 205,247,298.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,460,765.50 : 614,191,148.25 = 136,831,532.50 : x
  2. Step 2: Convert to fraction form
    409,460,765.50/614,191,148.25 = 136,831,532.50/x
  3. Step 3: Cross multiply
    409,460,765.50x = 614,191,148.25 × 136,831,532.50
  4. Step 4: Simplify right side
    409,460,765.50x = 84,040,716,062,982,192
  5. Step 5: Solve for x
    x = 84,040,716,062,982,192/409,460,765.50
  6. Step 6: Final answer
    x = 205,247,298.75

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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.