Finding the Fourth Proportional to 132,285,442.41, 182,564,125.02 and 79,364,134.53
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Solution
The fourth proportional to 132,285,442.41, 182,564,125.02 and 79,364,134.53 is: 109,528,633.80
Step by Step Solution
- Step 1: Write the proportion equation
132,285,442.41 : 182,564,125.02 = 79,364,134.53 : x - Step 2: Convert to fraction form
132,285,442.41/182,564,125.02 = 79,364,134.53/x - Step 3: Cross multiply
132,285,442.41x = 182,564,125.02 × 79,364,134.53 - Step 4: Simplify right side
132,285,442.41x = 14,489,043,778,439,020 - Step 5: Solve for x
x = 14,489,043,778,439,020/132,285,442.41 - Step 6: Final answer
x = 109,528,633.80
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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.