Finding the Fourth Proportional to 158,737,070.35, 219,007,736.50 and 91,731,617.65
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Solution
The fourth proportional to 158,737,070.35, 219,007,736.50 and 91,731,617.65 is: 126,561,072.99
Step by Step Solution
- Step 1: Write the proportion equation
158,737,070.35 : 219,007,736.50 = 91,731,617.65 : x - Step 2: Convert to fraction form
158,737,070.35/219,007,736.50 = 91,731,617.65/x - Step 3: Cross multiply
158,737,070.35x = 219,007,736.50 × 91,731,617.65 - Step 4: Simplify right side
158,737,070.35x = 20,089,933,947,009,952 - Step 5: Solve for x
x = 20,089,933,947,009,952/158,737,070.35 - Step 6: Final answer
x = 126,561,072.99
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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.