Finding the Fourth Proportional to 64,755,028.80, 97,120,101.60 and 19,318,305.60
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Solution
The fourth proportional to 64,755,028.80, 97,120,101.60 and 19,318,305.60 is: 28,973,746.71
Step by Step Solution
- Step 1: Write the proportion equation
64,755,028.80 : 97,120,101.60 = 19,318,305.60 : x - Step 2: Convert to fraction form
64,755,028.80/97,120,101.60 = 19,318,305.60/x - Step 3: Cross multiply
64,755,028.80x = 97,120,101.60 × 19,318,305.60 - Step 4: Simplify right side
64,755,028.80x = 1,876,195,802,611,849 - Step 5: Solve for x
x = 1,876,195,802,611,849/64,755,028.80 - Step 6: Final answer
x = 28,973,746.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.