Finding the Fourth Proportional to 188,817,879.66, 283,257,086.43 and 79,659,129.62
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Solution
The fourth proportional to 188,817,879.66, 283,257,086.43 and 79,659,129.62 is: 119,501,463.55
Step by Step Solution
- Step 1: Write the proportion equation
188,817,879.66 : 283,257,086.43 = 79,659,129.62 : x - Step 2: Convert to fraction form
188,817,879.66/283,257,086.43 = 79,659,129.62/x - Step 3: Cross multiply
188,817,879.66x = 283,257,086.43 × 79,659,129.62 - Step 4: Simplify right side
188,817,879.66x = 22,564,012,963,710,916 - Step 5: Solve for x
x = 22,564,012,963,710,916/188,817,879.66 - Step 6: Final answer
x = 119,501,463.55
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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.