Finding the Fourth Proportional to 107,310,402.34, 148,120,468.97 and 62,668,416.38
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Solution
The fourth proportional to 107,310,402.34, 148,120,468.97 and 62,668,416.38 is: 86,501,168.76
Step by Step Solution
- Step 1: Write the proportion equation
107,310,402.34 : 148,120,468.97 = 62,668,416.38 : x - Step 2: Convert to fraction form
107,310,402.34/148,120,468.97 = 62,668,416.38/x - Step 3: Cross multiply
107,310,402.34x = 148,120,468.97 × 62,668,416.38 - Step 4: Simplify right side
107,310,402.34x = 9,282,475,222,758,886 - Step 5: Solve for x
x = 9,282,475,222,758,886/107,310,402.34 - Step 6: Final answer
x = 86,501,168.76
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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.