Home / 85,640,110.96-118,094,019.16-50,826,075.28

Finding the Fourth Proportional to 85,640,110.96, 118,094,019.16 and 50,826,075.28

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Solution

The fourth proportional to 85,640,110.96, 118,094,019.16 and 50,826,075.28 is: 70,086,965.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,640,110.96 : 118,094,019.16 = 50,826,075.28 : x
  2. Step 2: Convert to fraction form
    85,640,110.96/118,094,019.16 = 50,826,075.28/x
  3. Step 3: Cross multiply
    85,640,110.96x = 118,094,019.16 × 50,826,075.28
  4. Step 4: Simplify right side
    85,640,110.96x = 6,002,255,507,943,922
  5. Step 5: Solve for x
    x = 6,002,255,507,943,922/85,640,110.96
  6. Step 6: Final answer
    x = 70,086,965.57

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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.