Home / 140,441,539.82-193,809,643.81-77,722,201.60

Finding the Fourth Proportional to 140,441,539.82, 193,809,643.81 and 77,722,201.60

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Solution

The fourth proportional to 140,441,539.82, 193,809,643.81 and 77,722,201.60 is: 107,256,814.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,441,539.82 : 193,809,643.81 = 77,722,201.60 : x
  2. Step 2: Convert to fraction form
    140,441,539.82/193,809,643.81 = 77,722,201.60/x
  3. Step 3: Cross multiply
    140,441,539.82x = 193,809,643.81 × 77,722,201.60
  4. Step 4: Simplify right side
    140,441,539.82x = 15,063,312,207,255,964
  5. Step 5: Solve for x
    x = 15,063,312,207,255,964/140,441,539.82
  6. Step 6: Final answer
    x = 107,256,814.67

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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.