Finding the Fourth Proportional to 66,239,577.38, 99,370,158.99 and 19,557,781.93
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Solution
The fourth proportional to 66,239,577.38, 99,370,158.99 and 19,557,781.93 is: 29,339,859.60
Step by Step Solution
- Step 1: Write the proportion equation
66,239,577.38 : 99,370,158.99 = 19,557,781.93 : x - Step 2: Convert to fraction form
66,239,577.38/99,370,158.99 = 19,557,781.93/x - Step 3: Cross multiply
66,239,577.38x = 99,370,158.99 × 19,557,781.93 - Step 4: Simplify right side
66,239,577.38x = 1,943,459,899,875,849 - Step 5: Solve for x
x = 1,943,459,899,875,849/66,239,577.38 - Step 6: Final answer
x = 29,339,859.60
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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.