Finding the Fourth Proportional to 89,835,988.24, 134,753,995.08 and 21,678,680.08
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Solution
The fourth proportional to 89,835,988.24, 134,753,995.08 and 21,678,680.08 is: 32,518,023.19
Step by Step Solution
- Step 1: Write the proportion equation
89,835,988.24 : 134,753,995.08 = 21,678,680.08 : x - Step 2: Convert to fraction form
89,835,988.24/134,753,995.08 = 21,678,680.08/x - Step 3: Cross multiply
89,835,988.24x = 134,753,995.08 × 21,678,680.08 - Step 4: Simplify right side
89,835,988.24x = 2,921,288,748,841,214 - Step 5: Solve for x
x = 2,921,288,748,841,214/89,835,988.24 - Step 6: Final answer
x = 32,518,023.19
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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.