Finding the Fourth Proportional to 83,852,109.80, 125,784,069.60 and 47,477,925.80
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Solution
The fourth proportional to 83,852,109.80, 125,784,069.60 and 47,477,925.80 is: 71,220,232.12
Step by Step Solution
- Step 1: Write the proportion equation
83,852,109.80 : 125,784,069.60 = 47,477,925.80 : x - Step 2: Convert to fraction form
83,852,109.80/125,784,069.60 = 47,477,925.80/x - Step 3: Cross multiply
83,852,109.80x = 125,784,069.60 × 47,477,925.80 - Step 4: Simplify right side
83,852,109.80x = 5,971,966,723,290,835 - Step 5: Solve for x
x = 5,971,966,723,290,835/83,852,109.80 - Step 6: Final answer
x = 71,220,232.12
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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.