Home / 216,074,400.72-298,182,664.44-118,289,256.72

Finding the Fourth Proportional to 216,074,400.72, 298,182,664.44 and 118,289,256.72

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Solution

The fourth proportional to 216,074,400.72, 298,182,664.44 and 118,289,256.72 is: 163,239,169.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,074,400.72 : 298,182,664.44 = 118,289,256.72 : x
  2. Step 2: Convert to fraction form
    216,074,400.72/298,182,664.44 = 118,289,256.72/x
  3. Step 3: Cross multiply
    216,074,400.72x = 298,182,664.44 × 118,289,256.72
  4. Step 4: Simplify right side
    216,074,400.72x = 35,271,805,743,396,776
  5. Step 5: Solve for x
    x = 35,271,805,743,396,776/216,074,400.72
  6. Step 6: Final answer
    x = 163,239,169.59

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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.