Home / 78,389,705.87-117,576,960.77-23,802,771.19

Finding the Fourth Proportional to 78,389,705.87, 117,576,960.77 and 23,802,771.19

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Solution

The fourth proportional to 78,389,705.87, 117,576,960.77 and 23,802,771.19 is: 35,701,849.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,389,705.87 : 117,576,960.77 = 23,802,771.19 : x
  2. Step 2: Convert to fraction form
    78,389,705.87/117,576,960.77 = 23,802,771.19/x
  3. Step 3: Cross multiply
    78,389,705.87x = 117,576,960.77 × 23,802,771.19
  4. Step 4: Simplify right side
    78,389,705.87x = 2,798,657,493,717,017.50
  5. Step 5: Solve for x
    x = 2,798,657,493,717,017.50/78,389,705.87
  6. Step 6: Final answer
    x = 35,701,849.66

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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.