Finding the Fourth Proportional to 61,571,153.58, 84,962,405.43 and 41,684,465.94
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Solution
The fourth proportional to 61,571,153.58, 84,962,405.43 and 41,684,465.94 is: 57,520,645.45
Step by Step Solution
- Step 1: Write the proportion equation
61,571,153.58 : 84,962,405.43 = 41,684,465.94 : x - Step 2: Convert to fraction form
61,571,153.58/84,962,405.43 = 41,684,465.94/x - Step 3: Cross multiply
61,571,153.58x = 84,962,405.43 × 41,684,465.94 - Step 4: Simplify right side
61,571,153.58x = 3,541,612,495,327,306 - Step 5: Solve for x
x = 3,541,612,495,327,306/61,571,153.58 - Step 6: Final answer
x = 57,520,645.45
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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.