Finding the Fourth Proportional to 60,872,582.16, 84,013,138.14 and 38,547,605.97
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Solution
The fourth proportional to 60,872,582.16, 84,013,138.14 and 38,547,605.97 is: 53,201,379.51
Step by Step Solution
- Step 1: Write the proportion equation
60,872,582.16 : 84,013,138.14 = 38,547,605.97 : x - Step 2: Convert to fraction form
60,872,582.16/84,013,138.14 = 38,547,605.97/x - Step 3: Cross multiply
60,872,582.16x = 84,013,138.14 × 38,547,605.97 - Step 4: Simplify right side
60,872,582.16x = 3,238,505,345,179,345 - Step 5: Solve for x
x = 3,238,505,345,179,345/60,872,582.16 - Step 6: Final answer
x = 53,201,379.51
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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.