Finding the Fourth Proportional to 133,032,128.94, 182,250,972.08 and 128,058,349.67
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Solution
The fourth proportional to 133,032,128.94, 182,250,972.08 and 128,058,349.67 is: 175,437,008.30
Step by Step Solution
- Step 1: Write the proportion equation
133,032,128.94 : 182,250,972.08 = 128,058,349.67 : x - Step 2: Convert to fraction form
133,032,128.94/182,250,972.08 = 128,058,349.67/x - Step 3: Cross multiply
133,032,128.94x = 182,250,972.08 × 128,058,349.67 - Step 4: Simplify right side
133,032,128.94x = 23,338,758,708,766,500 - Step 5: Solve for x
x = 23,338,758,708,766,500/133,032,128.94 - Step 6: Final answer
x = 175,437,008.30
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.