Finding the Fourth Proportional to 87,939,046, 121,370,437.38 and 48,793,434.04
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Solution
The fourth proportional to 87,939,046, 121,370,437.38 and 48,793,434.04 is: 67,343,014.28
Step by Step Solution
- Step 1: Write the proportion equation
87,939,046 : 121,370,437.38 = 48,793,434.04 : x - Step 2: Convert to fraction form
87,939,046/121,370,437.38 = 48,793,434.04/x - Step 3: Cross multiply
87,939,046x = 121,370,437.38 × 48,793,434.04 - Step 4: Simplify right side
87,939,046x = 5,922,080,430,706,980 - Step 5: Solve for x
x = 5,922,080,430,706,980/87,939,046 - Step 6: Final answer
x = 67,343,014.28
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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.