Home / 217,884,871.56-300,511,024.92-139,575,706.16

Finding the Fourth Proportional to 217,884,871.56, 300,511,024.92 and 139,575,706.16

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Solution

The fourth proportional to 217,884,871.56, 300,511,024.92 and 139,575,706.16 is: 192,505,510.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,884,871.56 : 300,511,024.92 = 139,575,706.16 : x
  2. Step 2: Convert to fraction form
    217,884,871.56/300,511,024.92 = 139,575,706.16/x
  3. Step 3: Cross multiply
    217,884,871.56x = 300,511,024.92 × 139,575,706.16
  4. Step 4: Simplify right side
    217,884,871.56x = 41,944,038,512,074,360
  5. Step 5: Solve for x
    x = 41,944,038,512,074,360/217,884,871.56
  6. Step 6: Final answer
    x = 192,505,510.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.