Finding the Fourth Proportional to 279,070,211.13, 418,668,381.35 and 92,323,716.09
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Solution
The fourth proportional to 279,070,211.13, 418,668,381.35 and 92,323,716.09 is: 138,506,437.57
Step by Step Solution
- Step 1: Write the proportion equation
279,070,211.13 : 418,668,381.35 = 92,323,716.09 : x - Step 2: Convert to fraction form
279,070,211.13/418,668,381.35 = 92,323,716.09/x - Step 3: Cross multiply
279,070,211.13x = 418,668,381.35 × 92,323,716.09 - Step 4: Simplify right side
279,070,211.13x = 38,653,020,775,110,392 - Step 5: Solve for x
x = 38,653,020,775,110,392/279,070,211.13 - Step 6: Final answer
x = 138,506,437.57
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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.