Finding the Fourth Proportional to 103,411,031.10, 142,706,367.99 and 56,367,249.11
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Solution
The fourth proportional to 103,411,031.10, 142,706,367.99 and 56,367,249.11 is: 77,786,337.78
Step by Step Solution
- Step 1: Write the proportion equation
103,411,031.10 : 142,706,367.99 = 56,367,249.11 : x - Step 2: Convert to fraction form
103,411,031.10/142,706,367.99 = 56,367,249.11/x - Step 3: Cross multiply
103,411,031.10x = 142,706,367.99 × 56,367,249.11 - Step 4: Simplify right side
103,411,031.10x = 8,043,965,394,541,609 - Step 5: Solve for x
x = 8,043,965,394,541,609/103,411,031.10 - Step 6: Final answer
x = 77,786,337.78
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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.