Home / 81,203,374,312.58-121,804,570,181.19-44,173,699,173.38

Finding the Fourth Proportional to 81,203,374,312.58, 121,804,570,181.19 and 44,173,699,173.38

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Solution

The fourth proportional to 81,203,374,312.58, 121,804,570,181.19 and 44,173,699,173.38 is: 66,260,281,505.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,203,374,312.58 : 121,804,570,181.19 = 44,173,699,173.38 : x
  2. Step 2: Convert to fraction form
    81,203,374,312.58/121,804,570,181.19 = 44,173,699,173.38/x
  3. Step 3: Cross multiply
    81,203,374,312.58x = 121,804,570,181.19 × 44,173,699,173.38
  4. Step 4: Simplify right side
    81,203,374,312.58x = 5,380,558,441,126,739,050,496
  5. Step 5: Solve for x
    x = 5,380,558,441,126,739,050,496/81,203,374,312.58
  6. Step 6: Final answer
    x = 66,260,281,505.24

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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.