Finding the Fourth Proportional to 84,386,947.86, 126,585,320.67 and 32,571,844.02
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Solution
The fourth proportional to 84,386,947.86, 126,585,320.67 and 32,571,844.02 is: 48,859,656.91
Step by Step Solution
- Step 1: Write the proportion equation
84,386,947.86 : 126,585,320.67 = 32,571,844.02 : x - Step 2: Convert to fraction form
84,386,947.86/126,585,320.67 = 32,571,844.02/x - Step 3: Cross multiply
84,386,947.86x = 126,585,320.67 × 32,571,844.02 - Step 4: Simplify right side
84,386,947.86x = 4,123,117,320,084,922 - Step 5: Solve for x
x = 4,123,117,320,084,922/84,386,947.86 - Step 6: Final answer
x = 48,859,656.91
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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.