Finding the Fourth Proportional to 72,854,305.12, 109,269,484.76 and 26,158,124.24
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Solution
The fourth proportional to 72,854,305.12, 109,269,484.76 and 26,158,124.24 is: 39,232,887.52
Step by Step Solution
- Step 1: Write the proportion equation
72,854,305.12 : 109,269,484.76 = 26,158,124.24 : x - Step 2: Convert to fraction form
72,854,305.12/109,269,484.76 = 26,158,124.24/x - Step 3: Cross multiply
72,854,305.12x = 109,269,484.76 × 26,158,124.24 - Step 4: Simplify right side
72,854,305.12x = 2,858,284,757,992,866.50 - Step 5: Solve for x
x = 2,858,284,757,992,866.50/72,854,305.12 - Step 6: Final answer
x = 39,232,887.52
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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.