Finding the Fourth Proportional to 70,399,505, 97,151,532.80 and 39,039,762.08
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Solution
The fourth proportional to 70,399,505, 97,151,532.80 and 39,039,762.08 is: 53,874,991.40
Step by Step Solution
- Step 1: Write the proportion equation
70,399,505 : 97,151,532.80 = 39,039,762.08 : x - Step 2: Convert to fraction form
70,399,505/97,151,532.80 = 39,039,762.08/x - Step 3: Cross multiply
70,399,505x = 97,151,532.80 × 39,039,762.08 - Step 4: Simplify right side
70,399,505x = 3,792,772,726,219,316 - Step 5: Solve for x
x = 3,792,772,726,219,316/70,399,505 - Step 6: Final answer
x = 53,874,991.40
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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.