Finding the Fourth Proportional to 140,989,553.08, 211,398,098.62 and 67,235,890.85
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Solution
The fourth proportional to 140,989,553.08, 211,398,098.62 and 67,235,890.85 is: 100,812,713.95
Step by Step Solution
- Step 1: Write the proportion equation
140,989,553.08 : 211,398,098.62 = 67,235,890.85 : x - Step 2: Convert to fraction form
140,989,553.08/211,398,098.62 = 67,235,890.85/x - Step 3: Cross multiply
140,989,553.08x = 211,398,098.62 × 67,235,890.85 - Step 4: Simplify right side
140,989,553.08x = 14,213,539,484,711,854 - Step 5: Solve for x
x = 14,213,539,484,711,854/140,989,553.08 - Step 6: Final answer
x = 100,812,713.95
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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.