Finding the Fourth Proportional to 170,413,612,832.97, 235,173,536,999.19 and 93,258,156,569.09
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Solution
The fourth proportional to 170,413,612,832.97, 235,173,536,999.19 and 93,258,156,569.09 is: 128,697,761,697.43
Step by Step Solution
- Step 1: Write the proportion equation
170,413,612,832.97 : 235,173,536,999.19 = 93,258,156,569.09 : x - Step 2: Convert to fraction form
170,413,612,832.97/235,173,536,999.19 = 93,258,156,569.09/x - Step 3: Cross multiply
170,413,612,832.97x = 235,173,536,999.19 × 93,258,156,569.09 - Step 4: Simplify right side
170,413,612,832.97x = 21,931,850,534,375,965,851,648 - Step 5: Solve for x
x = 21,931,850,534,375,965,851,648/170,413,612,832.97 - Step 6: Final answer
x = 128,697,761,697.43
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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.