Finding the Fourth Proportional to 278,689,665.06, 384,602,819.19 and 153,252,145.02
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Solution
The fourth proportional to 278,689,665.06, 384,602,819.19 and 153,252,145.02 is: 211,494,053.82
Step by Step Solution
- Step 1: Write the proportion equation
278,689,665.06 : 384,602,819.19 = 153,252,145.02 : x - Step 2: Convert to fraction form
278,689,665.06/384,602,819.19 = 153,252,145.02/x - Step 3: Cross multiply
278,689,665.06x = 384,602,819.19 × 153,252,145.02 - Step 4: Simplify right side
278,689,665.06x = 58,941,207,021,606,720 - Step 5: Solve for x
x = 58,941,207,021,606,720/278,689,665.06 - Step 6: Final answer
x = 211,494,053.82
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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.