Home / 257,885,784.86-355,879,044.86-140,409,767.66

Finding the Fourth Proportional to 257,885,784.86, 355,879,044.86 and 140,409,767.66

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Solution

The fourth proportional to 257,885,784.86, 355,879,044.86 and 140,409,767.66 is: 193,763,661.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,885,784.86 : 355,879,044.86 = 140,409,767.66 : x
  2. Step 2: Convert to fraction form
    257,885,784.86/355,879,044.86 = 140,409,767.66/x
  3. Step 3: Cross multiply
    257,885,784.86x = 355,879,044.86 × 140,409,767.66
  4. Step 4: Simplify right side
    257,885,784.86x = 49,968,894,003,855,320
  5. Step 5: Solve for x
    x = 49,968,894,003,855,320/257,885,784.86
  6. Step 6: Final answer
    x = 193,763,661.81

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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.