Finding the Fourth Proportional to 131,845,817.95, 197,768,623.14 and 39,729,557.09
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Solution
The fourth proportional to 131,845,817.95, 197,768,623.14 and 39,729,557.09 is: 59,594,304.37
Step by Step Solution
- Step 1: Write the proportion equation
131,845,817.95 : 197,768,623.14 = 39,729,557.09 : x - Step 2: Convert to fraction form
131,845,817.95/197,768,623.14 = 39,729,557.09/x - Step 3: Cross multiply
131,845,817.95x = 197,768,623.14 × 39,729,557.09 - Step 4: Simplify right side
131,845,817.95x = 7,857,259,804,145,746 - Step 5: Solve for x
x = 7,857,259,804,145,746/131,845,817.95 - Step 6: Final answer
x = 59,594,304.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.