Finding the Fourth Proportional to 77,966,290,903.58, 107,594,113,182.35 and 43,204,691,987.09
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Solution
The fourth proportional to 77,966,290,903.58, 107,594,113,182.35 and 43,204,691,987.09 is: 59,622,825,015.70
Step by Step Solution
- Step 1: Write the proportion equation
77,966,290,903.58 : 107,594,113,182.35 = 43,204,691,987.09 : x - Step 2: Convert to fraction form
77,966,290,903.58/107,594,113,182.35 = 43,204,691,987.09/x - Step 3: Cross multiply
77,966,290,903.58x = 107,594,113,182.35 × 43,204,691,987.09 - Step 4: Simplify right side
77,966,290,903.58x = 4,648,570,519,667,531,579,392 - Step 5: Solve for x
x = 4,648,570,519,667,531,579,392/77,966,290,903.58 - Step 6: Final answer
x = 59,622,825,015.70
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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.