Finding the Fourth Proportional to 77,187,228.74, 106,520,224.77 and 41,906,518.08
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Solution
The fourth proportional to 77,187,228.74, 106,520,224.77 and 41,906,518.08 is: 57,831,998.87
Step by Step Solution
- Step 1: Write the proportion equation
77,187,228.74 : 106,520,224.77 = 41,906,518.08 : x - Step 2: Convert to fraction form
77,187,228.74/106,520,224.77 = 41,906,518.08/x - Step 3: Cross multiply
77,187,228.74x = 106,520,224.77 × 41,906,518.08 - Step 4: Simplify right side
77,187,228.74x = 4,463,891,725,209,668.50 - Step 5: Solve for x
x = 4,463,891,725,209,668.50/77,187,228.74 - Step 6: Final answer
x = 57,831,998.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.