Finding the Fourth Proportional to 93,197,590.92, 128,612,817.18 and 51,943,597.56
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Solution
The fourth proportional to 93,197,590.92, 128,612,817.18 and 51,943,597.56 is: 71,682,243.61
Step by Step Solution
- Step 1: Write the proportion equation
93,197,590.92 : 128,612,817.18 = 51,943,597.56 : x - Step 2: Convert to fraction form
93,197,590.92/128,612,817.18 = 51,943,597.56/x - Step 3: Cross multiply
93,197,590.92x = 128,612,817.18 × 51,943,597.56 - Step 4: Simplify right side
93,197,590.92x = 6,680,612,416,655,775 - Step 5: Solve for x
x = 6,680,612,416,655,775/93,197,590.92 - Step 6: Final answer
x = 71,682,243.61
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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.