Finding the Fourth Proportional to 68,829,908.81, 103,244,403.92 and 27,888,743.93
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Solution
The fourth proportional to 68,829,908.81, 103,244,403.92 and 27,888,743.93 is: 41,832,929.79
Step by Step Solution
- Step 1: Write the proportion equation
68,829,908.81 : 103,244,403.92 = 27,888,743.93 : x - Step 2: Convert to fraction form
68,829,908.81/103,244,403.92 = 27,888,743.93/x - Step 3: Cross multiply
68,829,908.81x = 103,244,403.92 × 27,888,743.93 - Step 4: Simplify right side
68,829,908.81x = 2,879,356,742,474,702.50 - Step 5: Solve for x
x = 2,879,356,742,474,702.50/68,829,908.81 - Step 6: Final answer
x = 41,832,929.79
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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.