Finding the Fourth Proportional to 52,488,489.80, 72,434,161.06 and 29,283,620.36
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Solution
The fourth proportional to 52,488,489.80, 72,434,161.06 and 29,283,620.36 is: 40,411,421.28
Step by Step Solution
- Step 1: Write the proportion equation
52,488,489.80 : 72,434,161.06 = 29,283,620.36 : x - Step 2: Convert to fraction form
52,488,489.80/72,434,161.06 = 29,283,620.36/x - Step 3: Cross multiply
52,488,489.80x = 72,434,161.06 × 29,283,620.36 - Step 4: Simplify right side
52,488,489.80x = 2,121,134,473,576,135.25 - Step 5: Solve for x
x = 2,121,134,473,576,135.25/52,488,489.80 - Step 6: Final answer
x = 40,411,421.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.