Finding the Fourth Proportional to 85,657,106,362.84, 118,209,641,627.24 and 47,077,393,717.95
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Solution
The fourth proportional to 85,657,106,362.84, 118,209,641,627.24 and 47,077,393,717.95 is: 64,968,361,370.63
Step by Step Solution
- Step 1: Write the proportion equation
85,657,106,362.84 : 118,209,641,627.24 = 47,077,393,717.95 : x - Step 2: Convert to fraction form
85,657,106,362.84/118,209,641,627.24 = 47,077,393,717.95/x - Step 3: Cross multiply
85,657,106,362.84x = 118,209,641,627.24 × 47,077,393,717.95 - Step 4: Simplify right side
85,657,106,362.84x = 5,565,001,840,142,994,898,944 - Step 5: Solve for x
x = 5,565,001,840,142,994,898,944/85,657,106,362.84 - Step 6: Final answer
x = 64,968,361,370.63
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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.