Home / 255,975,987.88-353,256,867.50-144,470,685.71

Finding the Fourth Proportional to 255,975,987.88, 353,256,867.50 and 144,470,685.71

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Solution

The fourth proportional to 255,975,987.88, 353,256,867.50 and 144,470,685.71 is: 199,375,192.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,975,987.88 : 353,256,867.50 = 144,470,685.71 : x
  2. Step 2: Convert to fraction form
    255,975,987.88/353,256,867.50 = 144,470,685.71/x
  3. Step 3: Cross multiply
    255,975,987.88x = 353,256,867.50 × 144,470,685.71
  4. Step 4: Simplify right side
    255,975,987.88x = 51,035,261,879,652,408
  5. Step 5: Solve for x
    x = 51,035,261,879,652,408/255,975,987.88
  6. Step 6: Final answer
    x = 199,375,192.58

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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.