Finding the Fourth Proportional to 79,951,807.62, 110,333,531.43 and 43,282,378.62
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Solution
The fourth proportional to 79,951,807.62, 110,333,531.43 and 43,282,378.62 is: 59,729,702.48
Step by Step Solution
- Step 1: Write the proportion equation
79,951,807.62 : 110,333,531.43 = 43,282,378.62 : x - Step 2: Convert to fraction form
79,951,807.62/110,333,531.43 = 43,282,378.62/x - Step 3: Cross multiply
79,951,807.62x = 110,333,531.43 × 43,282,378.62 - Step 4: Simplify right side
79,951,807.62x = 4,775,497,681,834,930 - Step 5: Solve for x
x = 4,775,497,681,834,930/79,951,807.62 - Step 6: Final answer
x = 59,729,702.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.