Home / 409,460,749.75-614,191,124.63-136,831,516.75

Finding the Fourth Proportional to 409,460,749.75, 614,191,124.63 and 136,831,516.75

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Solution

The fourth proportional to 409,460,749.75, 614,191,124.63 and 136,831,516.75 is: 205,247,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,460,749.75 : 614,191,124.63 = 136,831,516.75 : x
  2. Step 2: Convert to fraction form
    409,460,749.75/614,191,124.63 = 136,831,516.75/x
  3. Step 3: Cross multiply
    409,460,749.75x = 614,191,124.63 × 136,831,516.75
  4. Step 4: Simplify right side
    409,460,749.75x = 84,040,703,157,511,184
  5. Step 5: Solve for x
    x = 84,040,703,157,511,184/409,460,749.75
  6. Step 6: Final answer
    x = 205,247,275.13

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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.