Home / 78,461,982.54-117,691,790.40-35,300,706.48

Finding the Fourth Proportional to 78,461,982.54, 117,691,790.40 and 35,300,706.48

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Solution

The fourth proportional to 78,461,982.54, 117,691,790.40 and 35,300,706.48 is: 52,950,527.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,461,982.54 : 117,691,790.40 = 35,300,706.48 : x
  2. Step 2: Convert to fraction form
    78,461,982.54/117,691,790.40 = 35,300,706.48/x
  3. Step 3: Cross multiply
    78,461,982.54x = 117,691,790.40 × 35,300,706.48
  4. Step 4: Simplify right side
    78,461,982.54x = 4,154,603,348,016,081.50
  5. Step 5: Solve for x
    x = 4,154,603,348,016,081.50/78,461,982.54
  6. Step 6: Final answer
    x = 52,950,527.29

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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.