Home / 85,978,440.50-118,650,255.40-46,820,205.50

Finding the Fourth Proportional to 85,978,440.50, 118,650,255.40 and 46,820,205.50

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Solution

The fourth proportional to 85,978,440.50, 118,650,255.40 and 46,820,205.50 is: 64,611,887.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,978,440.50 : 118,650,255.40 = 46,820,205.50 : x
  2. Step 2: Convert to fraction form
    85,978,440.50/118,650,255.40 = 46,820,205.50/x
  3. Step 3: Cross multiply
    85,978,440.50x = 118,650,255.40 × 46,820,205.50
  4. Step 4: Simplify right side
    85,978,440.50x = 5,555,229,340,455,485
  5. Step 5: Solve for x
    x = 5,555,229,340,455,485/85,978,440.50
  6. Step 6: Final answer
    x = 64,611,887.68

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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.