Finding the Fourth Proportional to 85,127,387.60, 127,709,743.80 and 27,609,870.80
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Solution
The fourth proportional to 85,127,387.60, 127,709,743.80 and 27,609,870.80 is: 41,420,859.09
Step by Step Solution
- Step 1: Write the proportion equation
85,127,387.60 : 127,709,743.80 = 27,609,870.80 : x - Step 2: Convert to fraction form
85,127,387.60/127,709,743.80 = 27,609,870.80/x - Step 3: Cross multiply
85,127,387.60x = 127,709,743.80 × 27,609,870.80 - Step 4: Simplify right side
85,127,387.60x = 3,526,049,526,219,101 - Step 5: Solve for x
x = 3,526,049,526,219,101/85,127,387.60 - Step 6: Final answer
x = 41,420,859.09
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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.