Finding the Fourth Proportional to 85,414,865, 128,326,694.08 and 54,769,485.58
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Solution
The fourth proportional to 85,414,865, 128,326,694.08 and 54,769,485.58 is: 82,285,290.98
Step by Step Solution
- Step 1: Write the proportion equation
85,414,865 : 128,326,694.08 = 54,769,485.58 : x - Step 2: Convert to fraction form
85,414,865/128,326,694.08 = 54,769,485.58/x - Step 3: Cross multiply
85,414,865x = 128,326,694.08 × 54,769,485.58 - Step 4: Simplify right side
85,414,865x = 7,028,387,020,943,631 - Step 5: Solve for x
x = 7,028,387,020,943,631/85,414,865 - Step 6: Final answer
x = 82,285,290.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.