Finding the Fourth Proportional to 239,398,821.54, 330,370,224.42 and 129,390,534.54
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Solution
The fourth proportional to 239,398,821.54, 330,370,224.42 and 129,390,534.54 is: 178,558,856.97
Step by Step Solution
- Step 1: Write the proportion equation
239,398,821.54 : 330,370,224.42 = 129,390,534.54 : x - Step 2: Convert to fraction form
239,398,821.54/330,370,224.42 = 129,390,534.54/x - Step 3: Cross multiply
239,398,821.54x = 330,370,224.42 × 129,390,534.54 - Step 4: Simplify right side
239,398,821.54x = 42,746,779,933,803,568 - Step 5: Solve for x
x = 42,746,779,933,803,568/239,398,821.54 - Step 6: Final answer
x = 178,558,856.97
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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.