Finding the Fourth Proportional to 219,792,657.09, 303,314,463.60 and 120,679,824.13
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Solution
The fourth proportional to 219,792,657.09, 303,314,463.60 and 120,679,824.13 is: 166,538,484.99
Step by Step Solution
- Step 1: Write the proportion equation
219,792,657.09 : 303,314,463.60 = 120,679,824.13 : x - Step 2: Convert to fraction form
219,792,657.09/303,314,463.60 = 120,679,824.13/x - Step 3: Cross multiply
219,792,657.09x = 303,314,463.60 × 120,679,824.13 - Step 4: Simplify right side
219,792,657.09x = 36,603,936,123,333,288 - Step 5: Solve for x
x = 36,603,936,123,333,288/219,792,657.09 - Step 6: Final answer
x = 166,538,484.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.