Finding the Fourth Proportional to 68,393,965.05, 94,382,963.51 and 37,031,474.61
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Solution
The fourth proportional to 68,393,965.05, 94,382,963.51 and 37,031,474.61 is: 51,103,051.48
Step by Step Solution
- Step 1: Write the proportion equation
68,393,965.05 : 94,382,963.51 = 37,031,474.61 : x - Step 2: Convert to fraction form
68,393,965.05/94,382,963.51 = 37,031,474.61/x - Step 3: Cross multiply
68,393,965.05x = 94,382,963.51 × 37,031,474.61 - Step 4: Simplify right side
68,393,965.05x = 3,495,140,316,651,964 - Step 5: Solve for x
x = 3,495,140,316,651,964/68,393,965.05 - Step 6: Final answer
x = 51,103,051.48
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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.