Finding the Fourth Proportional to 52,251,853.14, 78,368,614.76 and 19,905,696.68
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Solution
The fourth proportional to 52,251,853.14, 78,368,614.76 and 19,905,696.68 is: 29,855,053.56
Step by Step Solution
- Step 1: Write the proportion equation
52,251,853.14 : 78,368,614.76 = 19,905,696.68 : x - Step 2: Convert to fraction form
52,251,853.14/78,368,614.76 = 19,905,696.68/x - Step 3: Cross multiply
52,251,853.14x = 78,368,614.76 × 19,905,696.68 - Step 4: Simplify right side
52,251,853.14x = 1,559,981,874,302,252.25 - Step 5: Solve for x
x = 1,559,981,874,302,252.25/52,251,853.14 - Step 6: Final answer
x = 29,855,053.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.