Home / 200,438,762.10-300,658,143.15-168,153,721.35

Finding the Fourth Proportional to 200,438,762.10, 300,658,143.15 and 168,153,721.35

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Solution

The fourth proportional to 200,438,762.10, 300,658,143.15 and 168,153,721.35 is: 252,230,582.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,438,762.10 : 300,658,143.15 = 168,153,721.35 : x
  2. Step 2: Convert to fraction form
    200,438,762.10/300,658,143.15 = 168,153,721.35/x
  3. Step 3: Cross multiply
    200,438,762.10x = 300,658,143.15 × 168,153,721.35
  4. Step 4: Simplify right side
    200,438,762.10x = 50,556,785,624,853,504
  5. Step 5: Solve for x
    x = 50,556,785,624,853,504/200,438,762.10
  6. Step 6: Final answer
    x = 252,230,582.03

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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.