Finding the Fourth Proportional to 54,382,309.92, 75,049,278.30 and 29,604,146.40
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Solution
The fourth proportional to 54,382,309.92, 75,049,278.30 and 29,604,146.40 is: 40,854,642.35
Step by Step Solution
- Step 1: Write the proportion equation
54,382,309.92 : 75,049,278.30 = 29,604,146.40 : x - Step 2: Convert to fraction form
54,382,309.92/75,049,278.30 = 29,604,146.40/x - Step 3: Cross multiply
54,382,309.92x = 75,049,278.30 × 29,604,146.40 - Step 4: Simplify right side
54,382,309.92x = 2,221,769,822,007,543 - Step 5: Solve for x
x = 2,221,769,822,007,543/54,382,309.92 - Step 6: Final answer
x = 40,854,642.35
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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.