Finding the Fourth Proportional to 276,658,916.07, 414,732,995.35 and 138,364,181.57
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Solution
The fourth proportional to 276,658,916.07, 414,732,995.35 and 138,364,181.57 is: 207,418,550.93
Step by Step Solution
- Step 1: Write the proportion equation
276,658,916.07 : 414,732,995.35 = 138,364,181.57 : x - Step 2: Convert to fraction form
276,658,916.07/414,732,995.35 = 138,364,181.57/x - Step 3: Cross multiply
276,658,916.07x = 414,732,995.35 × 138,364,181.57 - Step 4: Simplify right side
276,658,916.07x = 57,384,191,473,147,272 - Step 5: Solve for x
x = 57,384,191,473,147,272/276,658,916.07 - Step 6: Final answer
x = 207,418,550.93
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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.