Home / 149,104,667.52-205,762,479.19-82,122,339.40

Finding the Fourth Proportional to 149,104,667.52, 205,762,479.19 and 82,122,339.40

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Solution

The fourth proportional to 149,104,667.52, 205,762,479.19 and 82,122,339.40 is: 113,327,747.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,104,667.52 : 205,762,479.19 = 82,122,339.40 : x
  2. Step 2: Convert to fraction form
    149,104,667.52/205,762,479.19 = 82,122,339.40/x
  3. Step 3: Cross multiply
    149,104,667.52x = 205,762,479.19 × 82,122,339.40
  4. Step 4: Simplify right side
    149,104,667.52x = 16,897,696,151,106,904
  5. Step 5: Solve for x
    x = 16,897,696,151,106,904/149,104,667.52
  6. Step 6: Final answer
    x = 113,327,747.76

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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.