Home / 140,015,643.20-210,022,082.40-44,277,531.20

Finding the Fourth Proportional to 140,015,643.20, 210,022,082.40 and 44,277,531.20

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Solution

The fourth proportional to 140,015,643.20, 210,022,082.40 and 44,277,531.20 is: 66,415,859.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,015,643.20 : 210,022,082.40 = 44,277,531.20 : x
  2. Step 2: Convert to fraction form
    140,015,643.20/210,022,082.40 = 44,277,531.20/x
  3. Step 3: Cross multiply
    140,015,643.20x = 210,022,082.40 × 44,277,531.20
  4. Step 4: Simplify right side
    140,015,643.20x = 9,299,259,306,154,972
  5. Step 5: Solve for x
    x = 9,299,259,306,154,972/140,015,643.20
  6. Step 6: Final answer
    x = 66,415,859.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.