Finding the Fourth Proportional to 86,596,804.92, 119,503,239.12 and 47,438,526.18
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Solution
The fourth proportional to 86,596,804.92, 119,503,239.12 and 47,438,526.18 is: 65,464,973.48
Step by Step Solution
- Step 1: Write the proportion equation
86,596,804.92 : 119,503,239.12 = 47,438,526.18 : x - Step 2: Convert to fraction form
86,596,804.92/119,503,239.12 = 47,438,526.18/x - Step 3: Cross multiply
86,596,804.92x = 119,503,239.12 × 47,438,526.18 - Step 4: Simplify right side
86,596,804.92x = 5,669,057,537,588,920 - Step 5: Solve for x
x = 5,669,057,537,588,920/86,596,804.92 - Step 6: Final answer
x = 65,464,973.48
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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.