Finding the Fourth Proportional to 138,757,248.92, 208,055,197.68 and 52,502,307.92
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Solution
The fourth proportional to 138,757,248.92, 208,055,197.68 and 52,502,307.92 is: 78,722,936.19
Step by Step Solution
- Step 1: Write the proportion equation
138,757,248.92 : 208,055,197.68 = 52,502,307.92 : x - Step 2: Convert to fraction form
138,757,248.92/208,055,197.68 = 52,502,307.92/x - Step 3: Cross multiply
138,757,248.92x = 208,055,197.68 × 52,502,307.92 - Step 4: Simplify right side
138,757,248.92x = 10,923,378,052,951,830 - Step 5: Solve for x
x = 10,923,378,052,951,830/138,757,248.92 - Step 6: Final answer
x = 78,722,936.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.