Home / 190,058,507.46-262,280,742.36-103,138,379.46

Finding the Fourth Proportional to 190,058,507.46, 262,280,742.36 and 103,138,379.46

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Solution

The fourth proportional to 190,058,507.46, 262,280,742.36 and 103,138,379.46 is: 142,330,964.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,058,507.46 : 262,280,742.36 = 103,138,379.46 : x
  2. Step 2: Convert to fraction form
    190,058,507.46/262,280,742.36 = 103,138,379.46/x
  3. Step 3: Cross multiply
    190,058,507.46x = 262,280,742.36 × 103,138,379.46
  4. Step 4: Simplify right side
    190,058,507.46x = 27,051,210,730,576,176
  5. Step 5: Solve for x
    x = 27,051,210,730,576,176/190,058,507.46
  6. Step 6: Final answer
    x = 142,330,964.78

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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.