Finding the Fourth Proportional to 148,026,253.04, 204,268,136.33 and 81,032,251.09
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Solution
The fourth proportional to 148,026,253.04, 204,268,136.33 and 81,032,251.09 is: 111,820,076.32
Step by Step Solution
- Step 1: Write the proportion equation
148,026,253.04 : 204,268,136.33 = 81,032,251.09 : x - Step 2: Convert to fraction form
148,026,253.04/204,268,136.33 = 81,032,251.09/x - Step 3: Cross multiply
148,026,253.04x = 204,268,136.33 × 81,032,251.09 - Step 4: Simplify right side
148,026,253.04x = 16,552,306,912,373,750 - Step 5: Solve for x
x = 16,552,306,912,373,750/148,026,253.04 - Step 6: Final answer
x = 111,820,076.32
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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.