Home / 257,885,783.86-355,879,043.48-140,409,766.66

Finding the Fourth Proportional to 257,885,783.86, 355,879,043.48 and 140,409,766.66

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Solution

The fourth proportional to 257,885,783.86, 355,879,043.48 and 140,409,766.66 is: 193,763,660.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,885,783.86 : 355,879,043.48 = 140,409,766.66 : x
  2. Step 2: Convert to fraction form
    257,885,783.86/355,879,043.48 = 140,409,766.66/x
  3. Step 3: Cross multiply
    257,885,783.86x = 355,879,043.48 × 140,409,766.66
  4. Step 4: Simplify right side
    257,885,783.86x = 49,968,893,454,210,792
  5. Step 5: Solve for x
    x = 49,968,893,454,210,792/257,885,783.86
  6. Step 6: Final answer
    x = 193,763,660.43

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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.