Finding the Fourth Proportional to 71,220,866.22, 106,775,487.99 and 28,122,329.79
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Solution
The fourth proportional to 71,220,866.22, 106,775,487.99 and 28,122,329.79 is: 42,161,456.97
Step by Step Solution
- Step 1: Write the proportion equation
71,220,866.22 : 106,775,487.99 = 28,122,329.79 : x - Step 2: Convert to fraction form
71,220,866.22/106,775,487.99 = 28,122,329.79/x - Step 3: Cross multiply
71,220,866.22x = 106,775,487.99 × 28,122,329.79 - Step 4: Simplify right side
71,220,866.22x = 3,002,775,486,742,964 - Step 5: Solve for x
x = 3,002,775,486,742,964/71,220,866.22 - Step 6: Final answer
x = 42,161,456.97
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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.