Finding the Fourth Proportional to 125,815,203.09, 173,476,416.20 and 86,141,972.16
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Solution
The fourth proportional to 125,815,203.09, 173,476,416.20 and 86,141,972.16 is: 118,774,204.13
Step by Step Solution
- Step 1: Write the proportion equation
125,815,203.09 : 173,476,416.20 = 86,141,972.16 : x - Step 2: Convert to fraction form
125,815,203.09/173,476,416.20 = 86,141,972.16/x - Step 3: Cross multiply
125,815,203.09x = 173,476,416.20 × 86,141,972.16 - Step 4: Simplify right side
125,815,203.09x = 14,943,600,614,286,262 - Step 5: Solve for x
x = 14,943,600,614,286,262/125,815,203.09 - Step 6: Final answer
x = 118,774,204.13
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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.