Home / 92,219,638.69-138,244,331.78-46,121,393.86

Finding the Fourth Proportional to 92,219,638.69, 138,244,331.78 and 46,121,393.86

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Solution

The fourth proportional to 92,219,638.69, 138,244,331.78 and 46,121,393.86 is: 69,139,516.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,219,638.69 : 138,244,331.78 = 46,121,393.86 : x
  2. Step 2: Convert to fraction form
    92,219,638.69/138,244,331.78 = 46,121,393.86/x
  3. Step 3: Cross multiply
    92,219,638.69x = 138,244,331.78 × 46,121,393.86
  4. Step 4: Simplify right side
    92,219,638.69x = 6,376,021,274,794,295
  5. Step 5: Solve for x
    x = 6,376,021,274,794,295/92,219,638.69
  6. Step 6: Final answer
    x = 69,139,516.98

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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.