Finding the Fourth Proportional to 125,142,197.36, 187,713,645.94 and 38,893,215.92
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Solution
The fourth proportional to 125,142,197.36, 187,713,645.94 and 38,893,215.92 is: 58,339,932.63
Step by Step Solution
- Step 1: Write the proportion equation
125,142,197.36 : 187,713,645.94 = 38,893,215.92 : x - Step 2: Convert to fraction form
125,142,197.36/187,713,645.94 = 38,893,215.92/x - Step 3: Cross multiply
125,142,197.36x = 187,713,645.94 × 38,893,215.92 - Step 4: Simplify right side
125,142,197.36x = 7,300,787,362,674,852 - Step 5: Solve for x
x = 7,300,787,362,674,852/125,142,197.36 - Step 6: Final answer
x = 58,339,932.63
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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.