Home / 84,259,142.31-116,281,207.43-47,089,421.49

Finding the Fourth Proportional to 84,259,142.31, 116,281,207.43 and 47,089,421.49

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Solution

The fourth proportional to 84,259,142.31, 116,281,207.43 and 47,089,421.49 is: 64,985,408.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,259,142.31 : 116,281,207.43 = 47,089,421.49 : x
  2. Step 2: Convert to fraction form
    84,259,142.31/116,281,207.43 = 47,089,421.49/x
  3. Step 3: Cross multiply
    84,259,142.31x = 116,281,207.43 × 47,089,421.49
  4. Step 4: Simplify right side
    84,259,142.31x = 5,475,614,788,037,390
  5. Step 5: Solve for x
    x = 5,475,614,788,037,390/84,259,142.31
  6. Step 6: Final answer
    x = 64,985,408.56

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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.