Finding the Fourth Proportional to 97,798,310.10, 146,697,465.15 and 90,407,999.70
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Solution
The fourth proportional to 97,798,310.10, 146,697,465.15 and 90,407,999.70 is: 135,611,999.55
Step by Step Solution
- Step 1: Write the proportion equation
97,798,310.10 : 146,697,465.15 = 90,407,999.70 : x - Step 2: Convert to fraction form
97,798,310.10/146,697,465.15 = 90,407,999.70/x - Step 3: Cross multiply
97,798,310.10x = 146,697,465.15 × 90,407,999.70 - Step 4: Simplify right side
97,798,310.10x = 13,262,624,385,271,962 - Step 5: Solve for x
x = 13,262,624,385,271,962/97,798,310.10 - Step 6: Final answer
x = 135,611,999.55
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Similar ratio
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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.