Finding the Fourth Proportional to 86,900,349.13, 130,330,316.82 and 32,338,630.26
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Solution
The fourth proportional to 86,900,349.13, 130,330,316.82 and 32,338,630.26 is: 48,500,425.71
Step by Step Solution
- Step 1: Write the proportion equation
86,900,349.13 : 130,330,316.82 = 32,338,630.26 : x - Step 2: Convert to fraction form
86,900,349.13/130,330,316.82 = 32,338,630.26/x - Step 3: Cross multiply
86,900,349.13x = 130,330,316.82 × 32,338,630.26 - Step 4: Simplify right side
86,900,349.13x = 4,214,703,927,310,639 - Step 5: Solve for x
x = 4,214,703,927,310,639/86,900,349.13 - Step 6: Final answer
x = 48,500,425.71
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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.