Finding the Fourth Proportional to 84,285,462.10, 126,286,475.55 and 69,830,266.90
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Solution
The fourth proportional to 84,285,462.10, 126,286,475.55 and 69,830,266.90 is: 104,627,987.72
Step by Step Solution
- Step 1: Write the proportion equation
84,285,462.10 : 126,286,475.55 = 69,830,266.90 : x - Step 2: Convert to fraction form
84,285,462.10/126,286,475.55 = 69,830,266.90/x - Step 3: Cross multiply
84,285,462.10x = 126,286,475.55 × 69,830,266.90 - Step 4: Simplify right side
84,285,462.10x = 8,818,618,293,516,825 - Step 5: Solve for x
x = 8,818,618,293,516,825/84,285,462.10 - Step 6: Final answer
x = 104,627,987.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.