Home / 101,807,274.08-140,492,856.96-55,396,728.48

Finding the Fourth Proportional to 101,807,274.08, 140,492,856.96 and 55,396,728.48

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Solution

The fourth proportional to 101,807,274.08, 140,492,856.96 and 55,396,728.48 is: 76,446,842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,807,274.08 : 140,492,856.96 = 55,396,728.48 : x
  2. Step 2: Convert to fraction form
    101,807,274.08/140,492,856.96 = 55,396,728.48/x
  3. Step 3: Cross multiply
    101,807,274.08x = 140,492,856.96 × 55,396,728.48
  4. Step 4: Simplify right side
    101,807,274.08x = 7,782,844,650,392,598
  5. Step 5: Solve for x
    x = 7,782,844,650,392,598/101,807,274.08
  6. Step 6: Final answer
    x = 76,446,842.53

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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.