Finding the Fourth Proportional to 147,634,980.81, 221,452,548.98 and 38,459,863.05
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Solution
The fourth proportional to 147,634,980.81, 221,452,548.98 and 38,459,863.05 is: 57,689,814.83
Step by Step Solution
- Step 1: Write the proportion equation
147,634,980.81 : 221,452,548.98 = 38,459,863.05 : x - Step 2: Convert to fraction form
147,634,980.81/221,452,548.98 = 38,459,863.05/x - Step 3: Cross multiply
147,634,980.81x = 221,452,548.98 × 38,459,863.05 - Step 4: Simplify right side
147,634,980.81x = 8,517,034,705,651,917 - Step 5: Solve for x
x = 8,517,034,705,651,917/147,634,980.81 - Step 6: Final answer
x = 57,689,814.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.