Home / 196,761,971.64-295,590,855.06-142,342,413.24

Finding the Fourth Proportional to 196,761,971.64, 295,590,855.06 and 142,342,413.24

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Solution

The fourth proportional to 196,761,971.64, 295,590,855.06 and 142,342,413.24 is: 213,837,639.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,761,971.64 : 295,590,855.06 = 142,342,413.24 : x
  2. Step 2: Convert to fraction form
    196,761,971.64/295,590,855.06 = 142,342,413.24/x
  3. Step 3: Cross multiply
    196,761,971.64x = 295,590,855.06 × 142,342,413.24
  4. Step 4: Simplify right side
    196,761,971.64x = 42,075,115,640,915,472
  5. Step 5: Solve for x
    x = 42,075,115,640,915,472/196,761,971.64
  6. Step 6: Final answer
    x = 213,837,639.92

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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.