Finding the Fourth Proportional to 67,812,624.51, 101,709,355.10 and 21,748,506.99
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Solution
The fourth proportional to 67,812,624.51, 101,709,355.10 and 21,748,506.99 is: 32,619,687.50
Step by Step Solution
- Step 1: Write the proportion equation
67,812,624.51 : 101,709,355.10 = 21,748,506.99 : x - Step 2: Convert to fraction form
67,812,624.51/101,709,355.10 = 21,748,506.99/x - Step 3: Cross multiply
67,812,624.51x = 101,709,355.10 × 21,748,506.99 - Step 4: Simplify right side
67,812,624.51x = 2,212,026,620,231,999.50 - Step 5: Solve for x
x = 2,212,026,620,231,999.50/67,812,624.51 - Step 6: Final answer
x = 32,619,687.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.