Home / 145,166,301.60-217,749,452.40-87,835,408.80

Finding the Fourth Proportional to 145,166,301.60, 217,749,452.40 and 87,835,408.80

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Solution

The fourth proportional to 145,166,301.60, 217,749,452.40 and 87,835,408.80 is: 131,753,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,166,301.60 : 217,749,452.40 = 87,835,408.80 : x
  2. Step 2: Convert to fraction form
    145,166,301.60/217,749,452.40 = 87,835,408.80/x
  3. Step 3: Cross multiply
    145,166,301.60x = 217,749,452.40 × 87,835,408.80
  4. Step 4: Simplify right side
    145,166,301.60x = 19,126,112,167,530,140
  5. Step 5: Solve for x
    x = 19,126,112,167,530,140/145,166,301.60
  6. Step 6: Final answer
    x = 131,753,113.20

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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.