Home / 85,334,272.64-127,968,335.04-30,735,203.84

Finding the Fourth Proportional to 85,334,272.64, 127,968,335.04 and 30,735,203.84

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Solution

The fourth proportional to 85,334,272.64, 127,968,335.04 and 30,735,203.84 is: 46,090,893.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,334,272.64 : 127,968,335.04 = 30,735,203.84 : x
  2. Step 2: Convert to fraction form
    85,334,272.64/127,968,335.04 = 30,735,203.84/x
  3. Step 3: Cross multiply
    85,334,272.64x = 127,968,335.04 × 30,735,203.84
  4. Step 4: Simplify right side
    85,334,272.64x = 3,933,132,862,519,814.50
  5. Step 5: Solve for x
    x = 3,933,132,862,519,814.50/85,334,272.64
  6. Step 6: Final answer
    x = 46,090,893.39

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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.