Finding the Fourth Proportional to 129,461,310.35, 178,659,241.93 and 70,727,779.63
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Solution
The fourth proportional to 129,461,310.35, 178,659,241.93 and 70,727,779.63 is: 97,605,774.71
Step by Step Solution
- Step 1: Write the proportion equation
129,461,310.35 : 178,659,241.93 = 70,727,779.63 : x - Step 2: Convert to fraction form
129,461,310.35/178,659,241.93 = 70,727,779.63/x - Step 3: Cross multiply
129,461,310.35x = 178,659,241.93 × 70,727,779.63 - Step 4: Simplify right side
129,461,310.35x = 12,636,171,492,087,896 - Step 5: Solve for x
x = 12,636,171,492,087,896/129,461,310.35 - Step 6: Final answer
x = 97,605,774.71
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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.