Finding the Fourth Proportional to 125,705,860.28, 173,489,188.97 and 76,144,779.80
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Solution
The fourth proportional to 125,705,860.28, 173,489,188.97 and 76,144,779.80 is: 105,088,943.84
Step by Step Solution
- Step 1: Write the proportion equation
125,705,860.28 : 173,489,188.97 = 76,144,779.80 : x - Step 2: Convert to fraction form
125,705,860.28/173,489,188.97 = 76,144,779.80/x - Step 3: Cross multiply
125,705,860.28x = 173,489,188.97 × 76,144,779.80 - Step 4: Simplify right side
125,705,860.28x = 13,210,296,091,124,154 - Step 5: Solve for x
x = 13,210,296,091,124,154/125,705,860.28 - Step 6: Final answer
x = 105,088,943.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.