Finding the Fourth Proportional to 71,225,770.77, 106,239,816.30 and 64,687,053.57
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Solution
The fourth proportional to 71,225,770.77, 106,239,816.30 and 64,687,053.57 is: 96,486,715.61
Step by Step Solution
- Step 1: Write the proportion equation
71,225,770.77 : 106,239,816.30 = 64,687,053.57 : x - Step 2: Convert to fraction form
71,225,770.77/106,239,816.30 = 64,687,053.57/x - Step 3: Cross multiply
71,225,770.77x = 106,239,816.30 × 64,687,053.57 - Step 4: Simplify right side
71,225,770.77x = 6,872,340,688,109,236 - Step 5: Solve for x
x = 6,872,340,688,109,236/71,225,770.77 - Step 6: Final answer
x = 96,486,715.61
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.