Finding the Fourth Proportional to 72,221,888.91, 108,350,478.99 and 23,037,750.73
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Solution
The fourth proportional to 72,221,888.91, 108,350,478.99 and 23,037,750.73 is: 34,562,254.80
Step by Step Solution
- Step 1: Write the proportion equation
72,221,888.91 : 108,350,478.99 = 23,037,750.73 : x - Step 2: Convert to fraction form
72,221,888.91/108,350,478.99 = 23,037,750.73/x - Step 3: Cross multiply
72,221,888.91x = 108,350,478.99 × 23,037,750.73 - Step 4: Simplify right side
72,221,888.91x = 2,496,151,326,447,722 - Step 5: Solve for x
x = 2,496,151,326,447,722/72,221,888.91 - Step 6: Final answer
x = 34,562,254.80
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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.