Home / 168,389,742.36-252,593,668.02-53,383,252.76

Finding the Fourth Proportional to 168,389,742.36, 252,593,668.02 and 53,383,252.76

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Solution

The fourth proportional to 168,389,742.36, 252,593,668.02 and 53,383,252.76 is: 80,077,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,389,742.36 : 252,593,668.02 = 53,383,252.76 : x
  2. Step 2: Convert to fraction form
    168,389,742.36/252,593,668.02 = 53,383,252.76/x
  3. Step 3: Cross multiply
    168,389,742.36x = 252,593,668.02 × 53,383,252.76
  4. Step 4: Simplify right side
    168,389,742.36x = 13,484,271,624,224,222
  5. Step 5: Solve for x
    x = 13,484,271,624,224,222/168,389,742.36
  6. Step 6: Final answer
    x = 80,077,749.60

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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.