Finding the Fourth Proportional to 75,815,037.99, 104,688,528.30 and 47,986,840.80
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Solution
The fourth proportional to 75,815,037.99, 104,688,528.30 and 47,986,840.80 is: 66,262,207.00
Step by Step Solution
- Step 1: Write the proportion equation
75,815,037.99 : 104,688,528.30 = 47,986,840.80 : x - Step 2: Convert to fraction form
75,815,037.99/104,688,528.30 = 47,986,840.80/x - Step 3: Cross multiply
75,815,037.99x = 104,688,528.30 × 47,986,840.80 - Step 4: Simplify right side
75,815,037.99x = 5,023,671,741,118,394 - Step 5: Solve for x
x = 5,023,671,741,118,394/75,815,037.99 - Step 6: Final answer
x = 66,262,207.00
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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.