Home / 255,889,501.20-383,078,424.60-169,725,200.40

Finding the Fourth Proportional to 255,889,501.20, 383,078,424.60 and 169,725,200.40

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Solution

The fourth proportional to 255,889,501.20, 383,078,424.60 and 169,725,200.40 is: 254,086,479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,889,501.20 : 383,078,424.60 = 169,725,200.40 : x
  2. Step 2: Convert to fraction form
    255,889,501.20/383,078,424.60 = 169,725,200.40/x
  3. Step 3: Cross multiply
    255,889,501.20x = 383,078,424.60 × 169,725,200.40
  4. Step 4: Simplify right side
    255,889,501.20x = 65,018,062,384,151,296
  5. Step 5: Solve for x
    x = 65,018,062,384,151,296/255,889,501.20
  6. Step 6: Final answer
    x = 254,086,479.04

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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.