Home / 144,692,712.60-217,291,011.30-76,668,264.60

Finding the Fourth Proportional to 144,692,712.60, 217,291,011.30 and 76,668,264.60

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Solution

The fourth proportional to 144,692,712.60, 217,291,011.30 and 76,668,264.60 is: 115,135,893.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,692,712.60 : 217,291,011.30 = 76,668,264.60 : x
  2. Step 2: Convert to fraction form
    144,692,712.60/217,291,011.30 = 76,668,264.60/x
  3. Step 3: Cross multiply
    144,692,712.60x = 217,291,011.30 × 76,668,264.60
  4. Step 4: Simplify right side
    144,692,712.60x = 16,659,324,749,549,990
  5. Step 5: Solve for x
    x = 16,659,324,749,549,990/144,692,712.60
  6. Step 6: Final answer
    x = 115,135,893.51

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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.