Home / 85,378,211.69-117,821,971.55-46,219,988.44

Finding the Fourth Proportional to 85,378,211.69, 117,821,971.55 and 46,219,988.44

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Solution

The fourth proportional to 85,378,211.69, 117,821,971.55 and 46,219,988.44 is: 63,783,605.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,378,211.69 : 117,821,971.55 = 46,219,988.44 : x
  2. Step 2: Convert to fraction form
    85,378,211.69/117,821,971.55 = 46,219,988.44/x
  3. Step 3: Cross multiply
    85,378,211.69x = 117,821,971.55 × 46,219,988.44
  4. Step 4: Simplify right side
    85,378,211.69x = 5,445,730,162,429,899
  5. Step 5: Solve for x
    x = 5,445,730,162,429,899/85,378,211.69
  6. Step 6: Final answer
    x = 63,783,605.38

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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.