Home / 255,056,404.20-382,615,661.70-91,311,340.20

Finding the Fourth Proportional to 255,056,404.20, 382,615,661.70 and 91,311,340.20

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Solution

The fourth proportional to 255,056,404.20, 382,615,661.70 and 91,311,340.20 is: 136,978,128.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,056,404.20 : 382,615,661.70 = 91,311,340.20 : x
  2. Step 2: Convert to fraction form
    255,056,404.20/382,615,661.70 = 91,311,340.20/x
  3. Step 3: Cross multiply
    255,056,404.20x = 382,615,661.70 × 91,311,340.20
  4. Step 4: Simplify right side
    255,056,404.20x = 34,937,148,851,336,812
  5. Step 5: Solve for x
    x = 34,937,148,851,336,812/255,056,404.20
  6. Step 6: Final answer
    x = 136,978,128.27

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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.