Home / 257,325,317.42-355,111,681.19-139,850,653.73

Finding the Fourth Proportional to 257,325,317.42, 355,111,681.19 and 139,850,653.73

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Solution

The fourth proportional to 257,325,317.42, 355,111,681.19 and 139,850,653.73 is: 192,995,392.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,325,317.42 : 355,111,681.19 = 139,850,653.73 : x
  2. Step 2: Convert to fraction form
    257,325,317.42/355,111,681.19 = 139,850,653.73/x
  3. Step 3: Cross multiply
    257,325,317.42x = 355,111,681.19 × 139,850,653.73
  4. Step 4: Simplify right side
    257,325,317.42x = 49,662,600,759,106,032
  5. Step 5: Solve for x
    x = 49,662,600,759,106,032/257,325,317.42
  6. Step 6: Final answer
    x = 192,995,392.98

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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.