Finding the Fourth Proportional to 125,815,202.59, 173,476,415.51 and 86,141,971.66
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Solution
The fourth proportional to 125,815,202.59, 173,476,415.51 and 86,141,971.66 is: 118,774,203.44
Step by Step Solution
- Step 1: Write the proportion equation
125,815,202.59 : 173,476,415.51 = 86,141,971.66 : x - Step 2: Convert to fraction form
125,815,202.59/173,476,415.51 = 86,141,971.66/x - Step 3: Cross multiply
125,815,202.59x = 173,476,415.51 × 86,141,971.66 - Step 4: Simplify right side
125,815,202.59x = 14,943,600,468,110,094 - Step 5: Solve for x
x = 14,943,600,468,110,094/125,815,202.59 - Step 6: Final answer
x = 118,774,203.44
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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.