Finding the Fourth Proportional to 57,778,286.99, 86,613,178.30 and 19,412,970.71
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Solution
The fourth proportional to 57,778,286.99, 86,613,178.30 and 19,412,970.71 is: 29,101,227.83
Step by Step Solution
- Step 1: Write the proportion equation
57,778,286.99 : 86,613,178.30 = 19,412,970.71 : x - Step 2: Convert to fraction form
57,778,286.99/86,613,178.30 = 19,412,970.71/x - Step 3: Cross multiply
57,778,286.99x = 86,613,178.30 × 19,412,970.71 - Step 4: Simplify right side
57,778,286.99x = 1,681,419,092,956,309 - Step 5: Solve for x
x = 1,681,419,092,956,309/57,778,286.99 - Step 6: Final answer
x = 29,101,227.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.