Finding the Fourth Proportional to 86,209,331.81, 129,201,717.14 and 35,031,519.77
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Solution
The fourth proportional to 86,209,331.81, 129,201,717.14 and 35,031,519.77 is: 52,501,653.98
Step by Step Solution
- Step 1: Write the proportion equation
86,209,331.81 : 129,201,717.14 = 35,031,519.77 : x - Step 2: Convert to fraction form
86,209,331.81/129,201,717.14 = 35,031,519.77/x - Step 3: Cross multiply
86,209,331.81x = 129,201,717.14 × 35,031,519.77 - Step 4: Simplify right side
86,209,331.81x = 4,526,132,508,757,658 - Step 5: Solve for x
x = 4,526,132,508,757,658/86,209,331.81 - Step 6: Final answer
x = 52,501,653.98
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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.