Finding the Fourth Proportional to 286,962,149.66, 430,511,526.57 and 92,873,565.09
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Solution
The fourth proportional to 286,962,149.66, 430,511,526.57 and 92,873,565.09 is: 139,332,453.19
Step by Step Solution
- Step 1: Write the proportion equation
286,962,149.66 : 430,511,526.57 = 92,873,565.09 : x - Step 2: Convert to fraction form
286,962,149.66/430,511,526.57 = 92,873,565.09/x - Step 3: Cross multiply
286,962,149.66x = 430,511,526.57 × 92,873,565.09 - Step 4: Simplify right side
286,962,149.66x = 39,983,140,284,720,488 - Step 5: Solve for x
x = 39,983,140,284,720,488/286,962,149.66 - Step 6: Final answer
x = 139,332,453.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.