Finding the Fourth Proportional to 79,781,176,602.64, 110,097,207,418 and 44,138,746,706.32
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Solution
The fourth proportional to 79,781,176,602.64, 110,097,207,418 and 44,138,746,706.32 is: 60,911,018,842.20
Step by Step Solution
- Step 1: Write the proportion equation
79,781,176,602.64 : 110,097,207,418 = 44,138,746,706.32 : x - Step 2: Convert to fraction form
79,781,176,602.64/110,097,207,418 = 44,138,746,706.32/x - Step 3: Cross multiply
79,781,176,602.64x = 110,097,207,418 × 44,138,746,706.32 - Step 4: Simplify right side
79,781,176,602.64x = 4,859,552,751,295,947,341,824 - Step 5: Solve for x
x = 4,859,552,751,295,947,341,824/79,781,176,602.64 - Step 6: Final answer
x = 60,911,018,842.20
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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.