Finding the Fourth Proportional to 68,368,612.20, 102,553,181.25 and 16,553,128.54
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Solution
The fourth proportional to 68,368,612.20, 102,553,181.25 and 16,553,128.54 is: 24,829,756.47
Step by Step Solution
- Step 1: Write the proportion equation
68,368,612.20 : 102,553,181.25 = 16,553,128.54 : x - Step 2: Convert to fraction form
68,368,612.20/102,553,181.25 = 16,553,128.54/x - Step 3: Cross multiply
68,368,612.20x = 102,553,181.25 × 16,553,128.54 - Step 4: Simplify right side
68,368,612.20x = 1,697,575,990,904,402 - Step 5: Solve for x
x = 1,697,575,990,904,402/68,368,612.20 - Step 6: Final answer
x = 24,829,756.47
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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.