Home / 257,885,784.36-355,879,044.17-140,409,767.16

Finding the Fourth Proportional to 257,885,784.36, 355,879,044.17 and 140,409,767.16

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Solution

The fourth proportional to 257,885,784.36, 355,879,044.17 and 140,409,767.16 is: 193,763,661.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,885,784.36 : 355,879,044.17 = 140,409,767.16 : x
  2. Step 2: Convert to fraction form
    257,885,784.36/355,879,044.17 = 140,409,767.16/x
  3. Step 3: Cross multiply
    257,885,784.36x = 355,879,044.17 × 140,409,767.16
  4. Step 4: Simplify right side
    257,885,784.36x = 49,968,893,729,033,056
  5. Step 5: Solve for x
    x = 49,968,893,729,033,056/257,885,784.36
  6. Step 6: Final answer
    x = 193,763,661.12

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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.