Finding the Fourth Proportional to 70,389,906.84, 105,448,669.02 and 39,590,907.99
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Solution
The fourth proportional to 70,389,906.84, 105,448,669.02 and 39,590,907.99 is: 59,309,761.02
Step by Step Solution
- Step 1: Write the proportion equation
70,389,906.84 : 105,448,669.02 = 39,590,907.99 : x - Step 2: Convert to fraction form
70,389,906.84/105,448,669.02 = 39,590,907.99/x - Step 3: Cross multiply
70,389,906.84x = 105,448,669.02 × 39,590,907.99 - Step 4: Simplify right side
70,389,906.84x = 4,174,808,552,838,783.50 - Step 5: Solve for x
x = 4,174,808,552,838,783.50/70,389,906.84 - Step 6: Final answer
x = 59,309,761.02
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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.