Home / 151,848,539.43-209,549,941.11-82,232,327.22

Finding the Fourth Proportional to 151,848,539.43, 209,549,941.11 and 82,232,327.22

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Solution

The fourth proportional to 151,848,539.43, 209,549,941.11 and 82,232,327.22 is: 113,480,046.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,848,539.43 : 209,549,941.11 = 82,232,327.22 : x
  2. Step 2: Convert to fraction form
    151,848,539.43/209,549,941.11 = 82,232,327.22/x
  3. Step 3: Cross multiply
    151,848,539.43x = 209,549,941.11 × 82,232,327.22
  4. Step 4: Simplify right side
    151,848,539.43x = 17,231,779,325,503,440
  5. Step 5: Solve for x
    x = 17,231,779,325,503,440/151,848,539.43
  6. Step 6: Final answer
    x = 113,480,046.57

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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.