Home / 103,972,049.73-143,480,902.37-56,928,268.45

Finding the Fourth Proportional to 103,972,049.73, 143,480,902.37 and 56,928,268.45

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Solution

The fourth proportional to 103,972,049.73, 143,480,902.37 and 56,928,268.45 is: 78,560,722.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,972,049.73 : 143,480,902.37 = 56,928,268.45 : x
  2. Step 2: Convert to fraction form
    103,972,049.73/143,480,902.37 = 56,928,268.45/x
  3. Step 3: Cross multiply
    103,972,049.73x = 143,480,902.37 × 56,928,268.45
  4. Step 4: Simplify right side
    103,972,049.73x = 8,168,119,327,865,780
  5. Step 5: Solve for x
    x = 8,168,119,327,865,780/103,972,049.73
  6. Step 6: Final answer
    x = 78,560,722.32

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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.