Finding the Fourth Proportional to 171,307,423.99, 236,404,545.06 and 92,991,030.67
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Solution
The fourth proportional to 171,307,423.99, 236,404,545.06 and 92,991,030.67 is: 128,327,785.15
Step by Step Solution
- Step 1: Write the proportion equation
171,307,423.99 : 236,404,545.06 = 92,991,030.67 : x - Step 2: Convert to fraction form
171,307,423.99/236,404,545.06 = 92,991,030.67/x - Step 3: Cross multiply
171,307,423.99x = 236,404,545.06 × 92,991,030.67 - Step 4: Simplify right side
171,307,423.99x = 21,983,502,300,201,856 - Step 5: Solve for x
x = 21,983,502,300,201,856/171,307,423.99 - Step 6: Final answer
x = 128,327,785.15
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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.