Home / 255,619,929.60-383,429,894.40-214,805,260.80

Finding the Fourth Proportional to 255,619,929.60, 383,429,894.40 and 214,805,260.80

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Solution

The fourth proportional to 255,619,929.60, 383,429,894.40 and 214,805,260.80 is: 322,207,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,619,929.60 : 383,429,894.40 = 214,805,260.80 : x
  2. Step 2: Convert to fraction form
    255,619,929.60/383,429,894.40 = 214,805,260.80/x
  3. Step 3: Cross multiply
    255,619,929.60x = 383,429,894.40 × 214,805,260.80
  4. Step 4: Simplify right side
    255,619,929.60x = 82,362,758,465,108,464
  5. Step 5: Solve for x
    x = 82,362,758,465,108,464/255,619,929.60
  6. Step 6: Final answer
    x = 322,207,891.20

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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.