Finding the Fourth Proportional to 81,442,411.68, 122,163,641.82 and 23,934,682.92
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Solution
The fourth proportional to 81,442,411.68, 122,163,641.82 and 23,934,682.92 is: 35,902,031.52
Step by Step Solution
- Step 1: Write the proportion equation
81,442,411.68 : 122,163,641.82 = 23,934,682.92 : x - Step 2: Convert to fraction form
81,442,411.68/122,163,641.82 = 23,934,682.92/x - Step 3: Cross multiply
81,442,411.68x = 122,163,641.82 × 23,934,682.92 - Step 4: Simplify right side
81,442,411.68x = 2,923,948,031,314,152 - Step 5: Solve for x
x = 2,923,948,031,314,152/81,442,411.68 - Step 6: Final answer
x = 35,902,031.52
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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.