Finding the Fourth Proportional to 150,144,218.30, 207,220,774.11 and 84,068,974.71
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Solution
The fourth proportional to 150,144,218.30, 207,220,774.11 and 84,068,974.71 is: 116,027,364.99
Step by Step Solution
- Step 1: Write the proportion equation
150,144,218.30 : 207,220,774.11 = 84,068,974.71 : x - Step 2: Convert to fraction form
150,144,218.30/207,220,774.11 = 84,068,974.71/x - Step 3: Cross multiply
150,144,218.30x = 207,220,774.11 × 84,068,974.71 - Step 4: Simplify right side
150,144,218.30x = 17,420,838,018,539,532 - Step 5: Solve for x
x = 17,420,838,018,539,532/150,144,218.30 - Step 6: Final answer
x = 116,027,364.99
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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.