Finding the Fourth Proportional to 118,058,114.32, 176,723,963.70 and 77,029,208.08
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Solution
The fourth proportional to 118,058,114.32, 176,723,963.70 and 77,029,208.08 is: 115,306,830.46
Step by Step Solution
- Step 1: Write the proportion equation
118,058,114.32 : 176,723,963.70 = 77,029,208.08 : x - Step 2: Convert to fraction form
118,058,114.32/176,723,963.70 = 77,029,208.08/x - Step 3: Cross multiply
118,058,114.32x = 176,723,963.70 × 77,029,208.08 - Step 4: Simplify right side
118,058,114.32x = 13,612,906,972,569,666 - Step 5: Solve for x
x = 13,612,906,972,569,666/118,058,114.32 - Step 6: Final answer
x = 115,306,830.46
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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.