Finding the Fourth Proportional to 79,881,202,418.64, 110,236,118,769.05 and 43,259,602,048.35
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Solution
The fourth proportional to 79,881,202,418.64, 110,236,118,769.05 and 43,259,602,048.35 is: 59,698,283,011.71
Step by Step Solution
- Step 1: Write the proportion equation
79,881,202,418.64 : 110,236,118,769.05 = 43,259,602,048.35 : x - Step 2: Convert to fraction form
79,881,202,418.64/110,236,118,769.05 = 43,259,602,048.35/x - Step 3: Cross multiply
79,881,202,418.64x = 110,236,118,769.05 × 43,259,602,048.35 - Step 4: Simplify right side
79,881,202,418.64x = 4,768,770,629,303,749,574,656 - Step 5: Solve for x
x = 4,768,770,629,303,749,574,656/79,881,202,418.64 - Step 6: Final answer
x = 59,698,283,011.71
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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.