Finding the Fourth Proportional to 133,032,114.79, 182,250,952.71 and 128,058,335.51
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Solution
The fourth proportional to 133,032,114.79, 182,250,952.71 and 128,058,335.51 is: 175,436,988.92
Step by Step Solution
- Step 1: Write the proportion equation
133,032,114.79 : 182,250,952.71 = 128,058,335.51 : x - Step 2: Convert to fraction form
133,032,114.79/182,250,952.71 = 128,058,335.51/x - Step 3: Cross multiply
133,032,114.79x = 182,250,952.71 × 128,058,335.51 - Step 4: Simplify right side
133,032,114.79x = 23,338,753,648,482,540 - Step 5: Solve for x
x = 23,338,753,648,482,540/133,032,114.79 - Step 6: Final answer
x = 175,436,988.92
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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.