Home / 118,675,680.90-178,045,014.15-41,990,712.90

Finding the Fourth Proportional to 118,675,680.90, 178,045,014.15 and 41,990,712.90

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Solution

The fourth proportional to 118,675,680.90, 178,045,014.15 and 41,990,712.90 is: 62,997,212.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,675,680.90 : 178,045,014.15 = 41,990,712.90 : x
  2. Step 2: Convert to fraction form
    118,675,680.90/178,045,014.15 = 41,990,712.90/x
  3. Step 3: Cross multiply
    118,675,680.90x = 178,045,014.15 × 41,990,712.90
  4. Step 4: Simplify right side
    118,675,680.90x = 7,476,237,072,449,088
  5. Step 5: Solve for x
    x = 7,476,237,072,449,088/118,675,680.90
  6. Step 6: Final answer
    x = 62,997,212.37

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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.