Finding the Fourth Proportional to 359,820,515.68, 539,763,711.72 and 101,033,992.12
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Solution
The fourth proportional to 359,820,515.68, 539,763,711.72 and 101,033,992.12 is: 151,560,236.90
Step by Step Solution
- Step 1: Write the proportion equation
359,820,515.68 : 539,763,711.72 = 101,033,992.12 : x - Step 2: Convert to fraction form
359,820,515.68/539,763,711.72 = 101,033,992.12/x - Step 3: Cross multiply
359,820,515.68x = 539,763,711.72 × 101,033,992.12 - Step 4: Simplify right side
359,820,515.68x = 54,534,482,596,580,440 - Step 5: Solve for x
x = 54,534,482,596,580,440/359,820,515.68 - Step 6: Final answer
x = 151,560,236.90
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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.