Finding the Fourth Proportional to 169,778,801.80, 254,668,202.70 and 48,610,253.80
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Solution
The fourth proportional to 169,778,801.80, 254,668,202.70 and 48,610,253.80 is: 72,915,380.70
Step by Step Solution
- Step 1: Write the proportion equation
169,778,801.80 : 254,668,202.70 = 48,610,253.80 : x - Step 2: Convert to fraction form
169,778,801.80/254,668,202.70 = 48,610,253.80/x - Step 3: Cross multiply
169,778,801.80x = 254,668,202.70 × 48,610,253.80 - Step 4: Simplify right side
169,778,801.80x = 12,379,485,968,036,844 - Step 5: Solve for x
x = 12,379,485,968,036,844/169,778,801.80 - Step 6: Final answer
x = 72,915,380.70
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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.