Finding the Fourth Proportional to 75,574,750.55, 104,289,800.99 and 42,085,957.19
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Solution
The fourth proportional to 75,574,750.55, 104,289,800.99 and 42,085,957.19 is: 58,076,752.72
Step by Step Solution
- Step 1: Write the proportion equation
75,574,750.55 : 104,289,800.99 = 42,085,957.19 : x - Step 2: Convert to fraction form
75,574,750.55/104,289,800.99 = 42,085,957.19/x - Step 3: Cross multiply
75,574,750.55x = 104,289,800.99 × 42,085,957.19 - Step 4: Simplify right side
75,574,750.55x = 4,389,136,099,086,881 - Step 5: Solve for x
x = 4,389,136,099,086,881/75,574,750.55 - Step 6: Final answer
x = 58,076,752.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.