Home / 142,106,341.25-196,107,341.42-76,916,245.25

Finding the Fourth Proportional to 142,106,341.25, 196,107,341.42 and 76,916,245.25

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Solution

The fourth proportional to 142,106,341.25, 196,107,341.42 and 76,916,245.25 is: 106,144,738.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,106,341.25 : 196,107,341.42 = 76,916,245.25 : x
  2. Step 2: Convert to fraction form
    142,106,341.25/196,107,341.42 = 76,916,245.25/x
  3. Step 3: Cross multiply
    142,106,341.25x = 196,107,341.42 × 76,916,245.25
  4. Step 4: Simplify right side
    142,106,341.25x = 15,083,840,367,986,202
  5. Step 5: Solve for x
    x = 15,083,840,367,986,202/142,106,341.25
  6. Step 6: Final answer
    x = 106,144,738.06

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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.