Home / 114,140,309.76-171,241,335.36-81,392,238.72

Finding the Fourth Proportional to 114,140,309.76, 171,241,335.36 and 81,392,238.72

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Solution

The fourth proportional to 114,140,309.76, 171,241,335.36 and 81,392,238.72 is: 122,110,371.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,140,309.76 : 171,241,335.36 = 81,392,238.72 : x
  2. Step 2: Convert to fraction form
    114,140,309.76/171,241,335.36 = 81,392,238.72/x
  3. Step 3: Cross multiply
    114,140,309.76x = 171,241,335.36 × 81,392,238.72
  4. Step 4: Simplify right side
    114,140,309.76x = 13,937,715,646,352,698
  5. Step 5: Solve for x
    x = 13,937,715,646,352,698/114,140,309.76
  6. Step 6: Final answer
    x = 122,110,371.66

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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.