Finding the Fourth Proportional to 168,435,503.12, 252,677,355.74 and 51,860,722.62
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Solution
The fourth proportional to 168,435,503.12, 252,677,355.74 and 51,860,722.62 is: 77,798,504.56
Step by Step Solution
- Step 1: Write the proportion equation
168,435,503.12 : 252,677,355.74 = 51,860,722.62 : x - Step 2: Convert to fraction form
168,435,503.12/252,677,355.74 = 51,860,722.62/x - Step 3: Cross multiply
168,435,503.12x = 252,677,355.74 × 51,860,722.62 - Step 4: Simplify right side
168,435,503.12x = 13,104,030,258,387,204 - Step 5: Solve for x
x = 13,104,030,258,387,204/168,435,503.12 - Step 6: Final answer
x = 77,798,504.56
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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.