Finding the Fourth Proportional to 100,048,316.66, 138,070,991.98 and 55,394,288.36
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Solution
The fourth proportional to 100,048,316.66, 138,070,991.98 and 55,394,288.36 is: 76,446,507.04
Step by Step Solution
- Step 1: Write the proportion equation
100,048,316.66 : 138,070,991.98 = 55,394,288.36 : x - Step 2: Convert to fraction form
100,048,316.66/138,070,991.98 = 55,394,288.36/x - Step 3: Cross multiply
100,048,316.66x = 138,070,991.98 × 55,394,288.36 - Step 4: Simplify right side
100,048,316.66x = 7,648,344,343,891,367 - Step 5: Solve for x
x = 7,648,344,343,891,367/100,048,316.66 - Step 6: Final answer
x = 76,446,507.04
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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.