Finding the Fourth Proportional to 119,873,774.20, 165,313,534.44 and 79,568,486.80
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Solution
The fourth proportional to 119,873,774.20, 165,313,534.44 and 79,568,486.80 is: 109,729,987.82
Step by Step Solution
- Step 1: Write the proportion equation
119,873,774.20 : 165,313,534.44 = 79,568,486.80 : x - Step 2: Convert to fraction form
119,873,774.20/165,313,534.44 = 79,568,486.80/x - Step 3: Cross multiply
119,873,774.20x = 165,313,534.44 × 79,568,486.80 - Step 4: Simplify right side
119,873,774.20x = 13,153,747,782,950,484 - Step 5: Solve for x
x = 13,153,747,782,950,484/119,873,774.20 - Step 6: Final answer
x = 109,729,987.82
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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.