Finding the Fourth Proportional to 81,761,248.59, 122,674,590.42 and 33,242,831.79
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Solution
The fourth proportional to 81,761,248.59, 122,674,590.42 and 33,242,831.79 is: 49,877,550.12
Step by Step Solution
- Step 1: Write the proportion equation
81,761,248.59 : 122,674,590.42 = 33,242,831.79 : x - Step 2: Convert to fraction form
81,761,248.59/122,674,590.42 = 33,242,831.79/x - Step 3: Cross multiply
81,761,248.59x = 122,674,590.42 × 33,242,831.79 - Step 4: Simplify right side
81,761,248.59x = 4,078,050,774,239,205.50 - Step 5: Solve for x
x = 4,078,050,774,239,205.50/81,761,248.59 - Step 6: Final answer
x = 49,877,550.12
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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.