Finding the Fourth Proportional to 139,968,000.08, 209,952,000.11 and 137,700,518.48
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Solution
The fourth proportional to 139,968,000.08, 209,952,000.11 and 137,700,518.48 is: 206,550,777.71
Step by Step Solution
- Step 1: Write the proportion equation
139,968,000.08 : 209,952,000.11 = 137,700,518.48 : x - Step 2: Convert to fraction form
139,968,000.08/209,952,000.11 = 137,700,518.48/x - Step 3: Cross multiply
139,968,000.08x = 209,952,000.11 × 137,700,518.48 - Step 4: Simplify right side
139,968,000.08x = 28,910,499,270,354,508 - Step 5: Solve for x
x = 28,910,499,270,354,508/139,968,000.08 - Step 6: Final answer
x = 206,550,777.71
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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.