Home / 190,058,513.66-262,280,751.09-103,138,385.66

Finding the Fourth Proportional to 190,058,513.66, 262,280,751.09 and 103,138,385.66

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Solution

The fourth proportional to 190,058,513.66, 262,280,751.09 and 103,138,385.66 is: 142,330,973.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,058,513.66 : 262,280,751.09 = 103,138,385.66 : x
  2. Step 2: Convert to fraction form
    190,058,513.66/262,280,751.09 = 103,138,385.66/x
  3. Step 3: Cross multiply
    190,058,513.66x = 262,280,751.09 × 103,138,385.66
  4. Step 4: Simplify right side
    190,058,513.66x = 27,051,213,257,114,884
  5. Step 5: Solve for x
    x = 27,051,213,257,114,884/190,058,513.66
  6. Step 6: Final answer
    x = 142,330,973.43

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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.