Finding the Fourth Proportional to 115,252,805.28, 159,049,347.21 and 62,329,511.82
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Solution
The fourth proportional to 115,252,805.28, 159,049,347.21 and 62,329,511.82 is: 86,014,983.69
Step by Step Solution
- Step 1: Write the proportion equation
115,252,805.28 : 159,049,347.21 = 62,329,511.82 : x - Step 2: Convert to fraction form
115,252,805.28/159,049,347.21 = 62,329,511.82/x - Step 3: Cross multiply
115,252,805.28x = 159,049,347.21 × 62,329,511.82 - Step 4: Simplify right side
115,252,805.28x = 9,913,468,166,888,980 - Step 5: Solve for x
x = 9,913,468,166,888,980/115,252,805.28 - Step 6: Final answer
x = 86,014,983.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.