Finding the Fourth Proportional to 57,929,199.19, 79,943,113.70 and 31,826,129.47
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Solution
The fourth proportional to 57,929,199.19, 79,943,113.70 and 31,826,129.47 is: 43,920,508.52
Step by Step Solution
- Step 1: Write the proportion equation
57,929,199.19 : 79,943,113.70 = 31,826,129.47 : x - Step 2: Convert to fraction form
57,929,199.19/79,943,113.70 = 31,826,129.47/x - Step 3: Cross multiply
57,929,199.19x = 79,943,113.70 × 31,826,129.47 - Step 4: Simplify right side
57,929,199.19x = 2,544,279,886,851,130.50 - Step 5: Solve for x
x = 2,544,279,886,851,130.50/57,929,199.19 - Step 6: Final answer
x = 43,920,508.52
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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.