Finding the Fourth Proportional to 77,331,304.56, 106,717,070.34 and 44,302,246.50
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Solution
The fourth proportional to 77,331,304.56, 106,717,070.34 and 44,302,246.50 is: 61,137,025.72
Step by Step Solution
- Step 1: Write the proportion equation
77,331,304.56 : 106,717,070.34 = 44,302,246.50 : x - Step 2: Convert to fraction form
77,331,304.56/106,717,070.34 = 44,302,246.50/x - Step 3: Cross multiply
77,331,304.56x = 106,717,070.34 × 44,302,246.50 - Step 4: Simplify right side
77,331,304.56x = 4,727,805,955,960,519 - Step 5: Solve for x
x = 4,727,805,955,960,519/77,331,304.56 - Step 6: Final answer
x = 61,137,025.72
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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.