Home / 190,058,511.66-262,280,748.33-103,138,383.66

Finding the Fourth Proportional to 190,058,511.66, 262,280,748.33 and 103,138,383.66

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Solution

The fourth proportional to 190,058,511.66, 262,280,748.33 and 103,138,383.66 is: 142,330,970.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,058,511.66 : 262,280,748.33 = 103,138,383.66 : x
  2. Step 2: Convert to fraction form
    190,058,511.66/262,280,748.33 = 103,138,383.66/x
  3. Step 3: Cross multiply
    190,058,511.66x = 262,280,748.33 × 103,138,383.66
  4. Step 4: Simplify right side
    190,058,511.66x = 27,051,212,447,891,444
  5. Step 5: Solve for x
    x = 27,051,212,447,891,444/190,058,511.66
  6. Step 6: Final answer
    x = 142,330,970.67

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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.