Finding the Fourth Proportional to 215,841,521.60, 323,762,282.40 and 201,386,326.40
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Solution
The fourth proportional to 215,841,521.60, 323,762,282.40 and 201,386,326.40 is: 302,079,489.60
Step by Step Solution
- Step 1: Write the proportion equation
215,841,521.60 : 323,762,282.40 = 201,386,326.40 : x - Step 2: Convert to fraction form
215,841,521.60/323,762,282.40 = 201,386,326.40/x - Step 3: Cross multiply
215,841,521.60x = 323,762,282.40 × 201,386,326.40 - Step 4: Simplify right side
215,841,521.60x = 65,201,296,679,415,376 - Step 5: Solve for x
x = 65,201,296,679,415,376/215,841,521.60 - Step 6: Final answer
x = 302,079,489.60
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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.