Home / 190,061,098.12-262,284,315.30-103,140,970.12

Finding the Fourth Proportional to 190,061,098.12, 262,284,315.30 and 103,140,970.12

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Solution

The fourth proportional to 190,061,098.12, 262,284,315.30 and 103,140,970.12 is: 142,334,538.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,061,098.12 : 262,284,315.30 = 103,140,970.12 : x
  2. Step 2: Convert to fraction form
    190,061,098.12/262,284,315.30 = 103,140,970.12/x
  3. Step 3: Cross multiply
    190,061,098.12x = 262,284,315.30 × 103,140,970.12
  4. Step 4: Simplify right side
    190,061,098.12x = 27,052,258,727,301,960
  5. Step 5: Solve for x
    x = 27,052,258,727,301,960/190,061,098.12
  6. Step 6: Final answer
    x = 142,334,538.71

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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.