Finding the Fourth Proportional to 88,894,685.20, 133,342,027.80 and 79,257,888.40
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Solution
The fourth proportional to 88,894,685.20, 133,342,027.80 and 79,257,888.40 is: 118,886,832.60
Step by Step Solution
- Step 1: Write the proportion equation
88,894,685.20 : 133,342,027.80 = 79,257,888.40 : x - Step 2: Convert to fraction form
88,894,685.20/133,342,027.80 = 79,257,888.40/x - Step 3: Cross multiply
88,894,685.20x = 133,342,027.80 × 79,257,888.40 - Step 4: Simplify right side
88,894,685.20x = 10,568,407,558,402,098 - Step 5: Solve for x
x = 10,568,407,558,402,098/88,894,685.20 - Step 6: Final answer
x = 118,886,832.60
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1.5x scale
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.