Finding the Fourth Proportional to 170,355,629.80, 255,533,444.70 and 102,163,220.20
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Solution
The fourth proportional to 170,355,629.80, 255,533,444.70 and 102,163,220.20 is: 153,244,830.30
Step by Step Solution
- Step 1: Write the proportion equation
170,355,629.80 : 255,533,444.70 = 102,163,220.20 : x - Step 2: Convert to fraction form
170,355,629.80/255,533,444.70 = 102,163,220.20/x - Step 3: Cross multiply
170,355,629.80x = 255,533,444.70 × 102,163,220.20 - Step 4: Simplify right side
170,355,629.80x = 26,106,119,579,350,624 - Step 5: Solve for x
x = 26,106,119,579,350,624/170,355,629.80 - Step 6: Final answer
x = 153,244,830.30
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1.5x scale
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.