Finding the Fourth Proportional to 79,719,304.04, 119,578,957.61 and 19,135,030.04
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Solution
The fourth proportional to 79,719,304.04, 119,578,957.61 and 19,135,030.04 is: 28,702,545.43
Step by Step Solution
- Step 1: Write the proportion equation
79,719,304.04 : 119,578,957.61 = 19,135,030.04 : x - Step 2: Convert to fraction form
79,719,304.04/119,578,957.61 = 19,135,030.04/x - Step 3: Cross multiply
79,719,304.04x = 119,578,957.61 × 19,135,030.04 - Step 4: Simplify right side
79,719,304.04x = 2,288,146,945,881,627 - Step 5: Solve for x
x = 2,288,146,945,881,627/79,719,304.04 - Step 6: Final answer
x = 28,702,545.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.