Finding the Fourth Proportional to 68,183,763.76, 102,290,758.44 and 19,657,830.70
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Solution
The fourth proportional to 68,183,763.76, 102,290,758.44 and 19,657,830.70 is: 29,491,103.17
Step by Step Solution
- Step 1: Write the proportion equation
68,183,763.76 : 102,290,758.44 = 19,657,830.70 : x - Step 2: Convert to fraction form
68,183,763.76/102,290,758.44 = 19,657,830.70/x - Step 3: Cross multiply
68,183,763.76x = 102,290,758.44 × 19,657,830.70 - Step 4: Simplify right side
68,183,763.76x = 2,010,814,411,588,116 - Step 5: Solve for x
x = 2,010,814,411,588,116/68,183,763.76 - Step 6: Final answer
x = 29,491,103.17
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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.