Finding the Fourth Proportional to 148,514,728.05, 222,772,092.08 and 87,133,292.55
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Solution
The fourth proportional to 148,514,728.05, 222,772,092.08 and 87,133,292.55 is: 130,699,938.83
Step by Step Solution
- Step 1: Write the proportion equation
148,514,728.05 : 222,772,092.08 = 87,133,292.55 : x - Step 2: Convert to fraction form
148,514,728.05/222,772,092.08 = 87,133,292.55/x - Step 3: Cross multiply
148,514,728.05x = 222,772,092.08 × 87,133,292.55 - Step 4: Simplify right side
148,514,728.05x = 19,410,865,871,182,180 - Step 5: Solve for x
x = 19,410,865,871,182,180/148,514,728.05 - Step 6: Final answer
x = 130,699,938.83
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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.