Finding the Fourth Proportional to 87,000,372.19, 120,063,628.79 and 47,845,177.12
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Solution
The fourth proportional to 87,000,372.19, 120,063,628.79 and 47,845,177.12 is: 66,028,057.59
Step by Step Solution
- Step 1: Write the proportion equation
87,000,372.19 : 120,063,628.79 = 47,845,177.12 : x - Step 2: Convert to fraction form
87,000,372.19/120,063,628.79 = 47,845,177.12/x - Step 3: Cross multiply
87,000,372.19x = 120,063,628.79 × 47,845,177.12 - Step 4: Simplify right side
87,000,372.19x = 5,744,465,585,127,481 - Step 5: Solve for x
x = 5,744,465,585,127,481/87,000,372.19 - Step 6: Final answer
x = 66,028,057.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.