Home / 208,673,091.36-287,957,624.94-115,847,623.80

Finding the Fourth Proportional to 208,673,091.36, 287,957,624.94 and 115,847,623.80

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Solution

The fourth proportional to 208,673,091.36, 287,957,624.94 and 115,847,623.80 is: 159,863,480.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,673,091.36 : 287,957,624.94 = 115,847,623.80 : x
  2. Step 2: Convert to fraction form
    208,673,091.36/287,957,624.94 = 115,847,623.80/x
  3. Step 3: Cross multiply
    208,673,091.36x = 287,957,624.94 × 115,847,623.80
  4. Step 4: Simplify right side
    208,673,091.36x = 33,359,206,604,390,616
  5. Step 5: Solve for x
    x = 33,359,206,604,390,616/208,673,091.36
  6. Step 6: Final answer
    x = 159,863,480.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.