Finding the Fourth Proportional to 126,070,904.98, 188,718,498.32 and 82,257,321.99
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Solution
The fourth proportional to 126,070,904.98, 188,718,498.32 and 82,257,321.99 is: 123,132,917.02
Step by Step Solution
- Step 1: Write the proportion equation
126,070,904.98 : 188,718,498.32 = 82,257,321.99 : x - Step 2: Convert to fraction form
126,070,904.98/188,718,498.32 = 82,257,321.99/x - Step 3: Cross multiply
126,070,904.98x = 188,718,498.32 × 82,257,321.99 - Step 4: Simplify right side
126,070,904.98x = 15,523,478,281,777,512 - Step 5: Solve for x
x = 15,523,478,281,777,512/126,070,904.98 - Step 6: Final answer
x = 123,132,917.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.