Finding the Fourth Proportional to 160,397,312.94, 221,348,717.82 and 87,058,454.94
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Solution
The fourth proportional to 160,397,312.94, 221,348,717.82 and 87,058,454.94 is: 120,140,899.02
Step by Step Solution
- Step 1: Write the proportion equation
160,397,312.94 : 221,348,717.82 = 87,058,454.94 : x - Step 2: Convert to fraction form
160,397,312.94/221,348,717.82 = 87,058,454.94/x - Step 3: Cross multiply
160,397,312.94x = 221,348,717.82 × 87,058,454.94 - Step 4: Simplify right side
160,397,312.94x = 19,270,277,376,359,244 - Step 5: Solve for x
x = 19,270,277,376,359,244/160,397,312.94 - Step 6: Final answer
x = 120,140,899.02
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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.