Finding the Fourth Proportional to 225,142,979.24, 310,700,483.84 and 129,720,750.68
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Solution
The fourth proportional to 225,142,979.24, 310,700,483.84 and 129,720,750.68 is: 179,016,463.83
Step by Step Solution
- Step 1: Write the proportion equation
225,142,979.24 : 310,700,483.84 = 129,720,750.68 : x - Step 2: Convert to fraction form
225,142,979.24/310,700,483.84 = 129,720,750.68/x - Step 3: Cross multiply
225,142,979.24x = 310,700,483.84 × 129,720,750.68 - Step 4: Simplify right side
225,142,979.24x = 40,304,300,000,364,008 - Step 5: Solve for x
x = 40,304,300,000,364,008/225,142,979.24 - Step 6: Final answer
x = 179,016,463.83
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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.