Finding the Fourth Proportional to 66,480,229.44, 99,710,347.68 and 21,036,110.40
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Solution
The fourth proportional to 66,480,229.44, 99,710,347.68 and 21,036,110.40 is: 31,551,002.45
Step by Step Solution
- Step 1: Write the proportion equation
66,480,229.44 : 99,710,347.68 = 21,036,110.40 : x - Step 2: Convert to fraction form
66,480,229.44/99,710,347.68 = 21,036,110.40/x - Step 3: Cross multiply
66,480,229.44x = 99,710,347.68 × 21,036,110.40 - Step 4: Simplify right side
66,480,229.44x = 2,097,517,881,818,863.75 - Step 5: Solve for x
x = 2,097,517,881,818,863.75/66,480,229.44 - Step 6: Final answer
x = 31,551,002.45
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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.