Home / 255,789,584.48-352,993,256.16-156,634,153.76

Finding the Fourth Proportional to 255,789,584.48, 352,993,256.16 and 156,634,153.76

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Solution

The fourth proportional to 255,789,584.48, 352,993,256.16 and 156,634,153.76 is: 216,157,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,789,584.48 : 352,993,256.16 = 156,634,153.76 : x
  2. Step 2: Convert to fraction form
    255,789,584.48/352,993,256.16 = 156,634,153.76/x
  3. Step 3: Cross multiply
    255,789,584.48x = 352,993,256.16 × 156,634,153.76
  4. Step 4: Simplify right side
    255,789,584.48x = 55,290,799,961,608,504
  5. Step 5: Solve for x
    x = 55,290,799,961,608,504/255,789,584.48
  6. Step 6: Final answer
    x = 216,157,354.78

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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.