Finding the Fourth Proportional to 106,889,530.60, 160,334,295.90 and 91,584,029.80
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Solution
The fourth proportional to 106,889,530.60, 160,334,295.90 and 91,584,029.80 is: 137,376,044.70
Step by Step Solution
- Step 1: Write the proportion equation
106,889,530.60 : 160,334,295.90 = 91,584,029.80 : x - Step 2: Convert to fraction form
106,889,530.60/160,334,295.90 = 91,584,029.80/x - Step 3: Cross multiply
106,889,530.60x = 160,334,295.90 × 91,584,029.80 - Step 4: Simplify right side
106,889,530.60x = 14,684,060,933,667,618 - Step 5: Solve for x
x = 14,684,060,933,667,618/106,889,530.60 - Step 6: Final answer
x = 137,376,044.70
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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.