Home / 159,891,668.32-239,801,244.69-72,395,424.52

Finding the Fourth Proportional to 159,891,668.32, 239,801,244.69 and 72,395,424.52

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Solution

The fourth proportional to 159,891,668.32, 239,801,244.69 and 72,395,424.52 is: 108,576,720.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,891,668.32 : 239,801,244.69 = 72,395,424.52 : x
  2. Step 2: Convert to fraction form
    159,891,668.32/239,801,244.69 = 72,395,424.52/x
  3. Step 3: Cross multiply
    159,891,668.32x = 239,801,244.69 × 72,395,424.52
  4. Step 4: Simplify right side
    159,891,668.32x = 17,360,512,908,195,962
  5. Step 5: Solve for x
    x = 17,360,512,908,195,962/159,891,668.32
  6. Step 6: Final answer
    x = 108,576,720.04

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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.