Home / 142,928,408.05-197,130,004.46-103,384,277.93

Finding the Fourth Proportional to 142,928,408.05, 197,130,004.46 and 103,384,277.93

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Solution

The fourth proportional to 142,928,408.05, 197,130,004.46 and 103,384,277.93 is: 142,589,870.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,928,408.05 : 197,130,004.46 = 103,384,277.93 : x
  2. Step 2: Convert to fraction form
    142,928,408.05/197,130,004.46 = 103,384,277.93/x
  3. Step 3: Cross multiply
    142,928,408.05x = 197,130,004.46 × 103,384,277.93
  4. Step 4: Simplify right side
    142,928,408.05x = 20,380,143,168,488,116
  5. Step 5: Solve for x
    x = 20,380,143,168,488,116/142,928,408.05
  6. Step 6: Final answer
    x = 142,589,870.31

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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.