Finding the Fourth Proportional to 102,487,312.20, 153,544,344.30 and 48,515,651.40
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Solution
The fourth proportional to 102,487,312.20, 153,544,344.30 and 48,515,651.40 is: 72,685,132.65
Step by Step Solution
- Step 1: Write the proportion equation
102,487,312.20 : 153,544,344.30 = 48,515,651.40 : x - Step 2: Convert to fraction form
102,487,312.20/153,544,344.30 = 48,515,651.40/x - Step 3: Cross multiply
102,487,312.20x = 153,544,344.30 × 48,515,651.40 - Step 4: Simplify right side
102,487,312.20x = 7,449,303,882,500,377 - Step 5: Solve for x
x = 7,449,303,882,500,377/102,487,312.20 - Step 6: Final answer
x = 72,685,132.65
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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.