Home / 255,548,880-383,169,792.54-99,917,272.52

Finding the Fourth Proportional to 255,548,880, 383,169,792.54 and 99,917,272.52

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Solution

The fourth proportional to 255,548,880, 383,169,792.54 and 99,917,272.52 is: 149,815,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,548,880 : 383,169,792.54 = 99,917,272.52 : x
  2. Step 2: Convert to fraction form
    255,548,880/383,169,792.54 = 99,917,272.52/x
  3. Step 3: Cross multiply
    255,548,880x = 383,169,792.54 × 99,917,272.52
  4. Step 4: Simplify right side
    255,548,880x = 38,285,280,582,651,040
  5. Step 5: Solve for x
    x = 38,285,280,582,651,040/255,548,880
  6. Step 6: Final answer
    x = 149,815,880.95

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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.