Finding the Fourth Proportional to 89,543,262.20, 134,248,538.10 and 60,717,457.40
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Solution
The fourth proportional to 89,543,262.20, 134,248,538.10 and 60,717,457.40 is: 91,031,191.99
Step by Step Solution
- Step 1: Write the proportion equation
89,543,262.20 : 134,248,538.10 = 60,717,457.40 : x - Step 2: Convert to fraction form
89,543,262.20/134,248,538.10 = 60,717,457.40/x - Step 3: Cross multiply
89,543,262.20x = 134,248,538.10 × 60,717,457.40 - Step 4: Simplify right side
89,543,262.20x = 8,151,229,893,099,026 - Step 5: Solve for x
x = 8,151,229,893,099,026/89,543,262.20 - Step 6: Final answer
x = 91,031,191.99
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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.