Finding the Fourth Proportional to 91,037,279.96, 125,641,182.29 and 55,778,484.28
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Solution
The fourth proportional to 91,037,279.96, 125,641,182.29 and 55,778,484.28 is: 76,980,273.51
Step by Step Solution
- Step 1: Write the proportion equation
91,037,279.96 : 125,641,182.29 = 55,778,484.28 : x - Step 2: Convert to fraction form
91,037,279.96/125,641,182.29 = 55,778,484.28/x - Step 3: Cross multiply
91,037,279.96x = 125,641,182.29 × 55,778,484.28 - Step 4: Simplify right side
91,037,279.96x = 7,008,074,711,283,380 - Step 5: Solve for x
x = 7,008,074,711,283,380/91,037,279.96 - Step 6: Final answer
x = 76,980,273.51
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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.