Finding the Fourth Proportional to 225,095,355.72, 310,664,214.51 and 129,707,306.63
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Solution
The fourth proportional to 225,095,355.72, 310,664,214.51 and 129,707,306.63 is: 179,014,881.95
Step by Step Solution
- Step 1: Write the proportion equation
225,095,355.72 : 310,664,214.51 = 129,707,306.63 : x - Step 2: Convert to fraction form
225,095,355.72/310,664,214.51 = 129,707,306.63/x - Step 3: Cross multiply
225,095,355.72x = 310,664,214.51 × 129,707,306.63 - Step 4: Simplify right side
225,095,355.72x = 40,295,418,531,193,320 - Step 5: Solve for x
x = 40,295,418,531,193,320/225,095,355.72 - Step 6: Final answer
x = 179,014,881.95
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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.