Finding the Fourth Proportional to 217,266,293.99, 299,835,370.17 and 124,464,737.94
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Solution
The fourth proportional to 217,266,293.99, 299,835,370.17 and 124,464,737.94 is: 171,765,855.11
Step by Step Solution
- Step 1: Write the proportion equation
217,266,293.99 : 299,835,370.17 = 124,464,737.94 : x - Step 2: Convert to fraction form
217,266,293.99/299,835,370.17 = 124,464,737.94/x - Step 3: Cross multiply
217,266,293.99x = 299,835,370.17 × 124,464,737.94 - Step 4: Simplify right side
217,266,293.99x = 37,318,930,773,351,944 - Step 5: Solve for x
x = 37,318,930,773,351,944/217,266,293.99 - Step 6: Final answer
x = 171,765,855.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.