Home / 142,928,578.67-197,130,241.08-103,384,448.28

Finding the Fourth Proportional to 142,928,578.67, 197,130,241.08 and 103,384,448.28

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Solution

The fourth proportional to 142,928,578.67, 197,130,241.08 and 103,384,448.28 is: 142,590,106.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,928,578.67 : 197,130,241.08 = 103,384,448.28 : x
  2. Step 2: Convert to fraction form
    142,928,578.67/197,130,241.08 = 103,384,448.28/x
  3. Step 3: Cross multiply
    142,928,578.67x = 197,130,241.08 × 103,384,448.28
  4. Step 4: Simplify right side
    142,928,578.67x = 20,380,201,213,359,192
  5. Step 5: Solve for x
    x = 20,380,201,213,359,192/142,928,578.67
  6. Step 6: Final answer
    x = 142,590,106.22

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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.