Home / 191,122,843.96-286,685,289.78-47,515,675.96

Finding the Fourth Proportional to 191,122,843.96, 286,685,289.78 and 47,515,675.96

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Solution

The fourth proportional to 191,122,843.96, 286,685,289.78 and 47,515,675.96 is: 71,273,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,122,843.96 : 286,685,289.78 = 47,515,675.96 : x
  2. Step 2: Convert to fraction form
    191,122,843.96/286,685,289.78 = 47,515,675.96/x
  3. Step 3: Cross multiply
    191,122,843.96x = 286,685,289.78 × 47,515,675.96
  4. Step 4: Simplify right side
    191,122,843.96x = 13,622,045,331,685,178
  5. Step 5: Solve for x
    x = 13,622,045,331,685,178/191,122,843.96
  6. Step 6: Final answer
    x = 71,273,768.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.