Finding the Fourth Proportional to 207,145,894.08, 285,859,928.16 and 114,326,400.96
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Solution
The fourth proportional to 207,145,894.08, 285,859,928.16 and 114,326,400.96 is: 157,769,657.52
Step by Step Solution
- Step 1: Write the proportion equation
207,145,894.08 : 285,859,928.16 = 114,326,400.96 : x - Step 2: Convert to fraction form
207,145,894.08/285,859,928.16 = 114,326,400.96/x - Step 3: Cross multiply
207,145,894.08x = 285,859,928.16 × 114,326,400.96 - Step 4: Simplify right side
207,145,894.08x = 32,681,336,765,216,956 - Step 5: Solve for x
x = 32,681,336,765,216,956/207,145,894.08 - Step 6: Final answer
x = 157,769,657.52
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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.