Home / 78,528,091.80-117,792,137.70-24,675,317.40

Finding the Fourth Proportional to 78,528,091.80, 117,792,137.70 and 24,675,317.40

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Solution

The fourth proportional to 78,528,091.80, 117,792,137.70 and 24,675,317.40 is: 37,012,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,528,091.80 : 117,792,137.70 = 24,675,317.40 : x
  2. Step 2: Convert to fraction form
    78,528,091.80/117,792,137.70 = 24,675,317.40/x
  3. Step 3: Cross multiply
    78,528,091.80x = 117,792,137.70 × 24,675,317.40
  4. Step 4: Simplify right side
    78,528,091.80x = 2,906,558,384,972,006
  5. Step 5: Solve for x
    x = 2,906,558,384,972,006/78,528,091.80
  6. Step 6: Final answer
    x = 37,012,976.10

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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.