Home / 190,058,512.66-262,280,749.71-103,138,384.66

Finding the Fourth Proportional to 190,058,512.66, 262,280,749.71 and 103,138,384.66

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Solution

The fourth proportional to 190,058,512.66, 262,280,749.71 and 103,138,384.66 is: 142,330,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,058,512.66 : 262,280,749.71 = 103,138,384.66 : x
  2. Step 2: Convert to fraction form
    190,058,512.66/262,280,749.71 = 103,138,384.66/x
  3. Step 3: Cross multiply
    190,058,512.66x = 262,280,749.71 × 103,138,384.66
  4. Step 4: Simplify right side
    190,058,512.66x = 27,051,212,852,503,164
  5. Step 5: Solve for x
    x = 27,051,212,852,503,164/190,058,512.66
  6. Step 6: Final answer
    x = 142,330,972.05

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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.