Finding the Fourth Proportional to 169,694,381.84, 234,171,654.72 and 103,725,335.12
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Solution
The fourth proportional to 169,694,381.84, 234,171,654.72 and 103,725,335.12 is: 143,136,932.99
Step by Step Solution
- Step 1: Write the proportion equation
169,694,381.84 : 234,171,654.72 = 103,725,335.12 : x - Step 2: Convert to fraction form
169,694,381.84/234,171,654.72 = 103,725,335.12/x - Step 3: Cross multiply
169,694,381.84x = 234,171,654.72 × 103,725,335.12 - Step 4: Simplify right side
169,694,381.84x = 24,289,533,361,436,932 - Step 5: Solve for x
x = 24,289,533,361,436,932/169,694,381.84 - Step 6: Final answer
x = 143,136,932.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.