Finding the Fourth Proportional to 115,646,443.74, 159,597,098.55 and 69,227,718.66
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Solution
The fourth proportional to 115,646,443.74, 159,597,098.55 and 69,227,718.66 is: 95,537,248.53
Step by Step Solution
- Step 1: Write the proportion equation
115,646,443.74 : 159,597,098.55 = 69,227,718.66 : x - Step 2: Convert to fraction form
115,646,443.74/159,597,098.55 = 69,227,718.66/x - Step 3: Cross multiply
115,646,443.74x = 159,597,098.55 × 69,227,718.66 - Step 4: Simplify right side
115,646,443.74x = 11,048,543,037,371,694 - Step 5: Solve for x
x = 11,048,543,037,371,694/115,646,443.74 - Step 6: Final answer
x = 95,537,248.53
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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.