Finding the Fourth Proportional to 133,032,125.76, 182,250,967.74 and 128,058,346.47
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Solution
The fourth proportional to 133,032,125.76, 182,250,967.74 and 128,058,346.47 is: 175,437,003.95
Step by Step Solution
- Step 1: Write the proportion equation
133,032,125.76 : 182,250,967.74 = 128,058,346.47 : x - Step 2: Convert to fraction form
133,032,125.76/182,250,967.74 = 128,058,346.47/x - Step 3: Cross multiply
133,032,125.76x = 182,250,967.74 × 128,058,346.47 - Step 4: Simplify right side
133,032,125.76x = 23,338,757,571,906,060 - Step 5: Solve for x
x = 23,338,757,571,906,060/133,032,125.76 - Step 6: Final answer
x = 175,437,003.95
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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.