Finding the Fourth Proportional to 74,243,988.84, 102,469,026.92 and 43,304,158.12
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Solution
The fourth proportional to 74,243,988.84, 102,469,026.92 and 43,304,158.12 is: 59,766,925.42
Step by Step Solution
- Step 1: Write the proportion equation
74,243,988.84 : 102,469,026.92 = 43,304,158.12 : x - Step 2: Convert to fraction form
74,243,988.84/102,469,026.92 = 43,304,158.12/x - Step 3: Cross multiply
74,243,988.84x = 102,469,026.92 × 43,304,158.12 - Step 4: Simplify right side
74,243,988.84x = 4,437,334,944,146,216.50 - Step 5: Solve for x
x = 4,437,334,944,146,216.50/74,243,988.84 - Step 6: Final answer
x = 59,766,925.42
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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.