Home / 85,589,075.52-118,112,922.96-48,920,433.60

Finding the Fourth Proportional to 85,589,075.52, 118,112,922.96 and 48,920,433.60

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Solution

The fourth proportional to 85,589,075.52, 118,112,922.96 and 48,920,433.60 is: 67,510,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,589,075.52 : 118,112,922.96 = 48,920,433.60 : x
  2. Step 2: Convert to fraction form
    85,589,075.52/118,112,922.96 = 48,920,433.60/x
  3. Step 3: Cross multiply
    85,589,075.52x = 118,112,922.96 × 48,920,433.60
  4. Step 4: Simplify right side
    85,589,075.52x = 5,778,135,404,966,595
  5. Step 5: Solve for x
    x = 5,778,135,404,966,595/85,589,075.52
  6. Step 6: Final answer
    x = 67,510,197.65

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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.