Finding the Fourth Proportional to 151,063,376.07, 208,455,534.58 and 84,970,716.11
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Solution
The fourth proportional to 151,063,376.07, 208,455,534.58 and 84,970,716.11 is: 117,252,880.95
Step by Step Solution
- Step 1: Write the proportion equation
151,063,376.07 : 208,455,534.58 = 84,970,716.11 : x - Step 2: Convert to fraction form
151,063,376.07/208,455,534.58 = 84,970,716.11/x - Step 3: Cross multiply
151,063,376.07x = 208,455,534.58 × 84,970,716.11 - Step 4: Simplify right side
151,063,376.07x = 17,712,616,050,355,470 - Step 5: Solve for x
x = 17,712,616,050,355,470/151,063,376.07 - Step 6: Final answer
x = 117,252,880.95
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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.