Home / 84,259,142.43-116,281,207.60-47,089,421.62

Finding the Fourth Proportional to 84,259,142.43, 116,281,207.60 and 47,089,421.62

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Solution

The fourth proportional to 84,259,142.43, 116,281,207.60 and 47,089,421.62 is: 64,985,408.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,259,142.43 : 116,281,207.60 = 47,089,421.62 : x
  2. Step 2: Convert to fraction form
    84,259,142.43/116,281,207.60 = 47,089,421.62/x
  3. Step 3: Cross multiply
    84,259,142.43x = 116,281,207.60 × 47,089,421.62
  4. Step 4: Simplify right side
    84,259,142.43x = 5,475,614,810,750,722
  5. Step 5: Solve for x
    x = 5,475,614,810,750,722/84,259,142.43
  6. Step 6: Final answer
    x = 64,985,408.74

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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.