Home / 190,058,508.46-262,280,743.74-103,138,380.46

Finding the Fourth Proportional to 190,058,508.46, 262,280,743.74 and 103,138,380.46

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Solution

The fourth proportional to 190,058,508.46, 262,280,743.74 and 103,138,380.46 is: 142,330,966.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,058,508.46 : 262,280,743.74 = 103,138,380.46 : x
  2. Step 2: Convert to fraction form
    190,058,508.46/262,280,743.74 = 103,138,380.46/x
  3. Step 3: Cross multiply
    190,058,508.46x = 262,280,743.74 × 103,138,380.46
  4. Step 4: Simplify right side
    190,058,508.46x = 27,051,211,135,187,884
  5. Step 5: Solve for x
    x = 27,051,211,135,187,884/190,058,508.46
  6. Step 6: Final answer
    x = 142,330,966.16

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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.