Finding the Fourth Proportional to 99,742,759.80, 149,708,618.10 and 61,479,007.80
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Solution
The fourth proportional to 99,742,759.80, 149,708,618.10 and 61,479,007.80 is: 92,276,745.88
Step by Step Solution
- Step 1: Write the proportion equation
99,742,759.80 : 149,708,618.10 = 61,479,007.80 : x - Step 2: Convert to fraction form
99,742,759.80/149,708,618.10 = 61,479,007.80/x - Step 3: Cross multiply
99,742,759.80x = 149,708,618.10 × 61,479,007.80 - Step 4: Simplify right side
99,742,759.80x = 9,203,937,299,897,120 - Step 5: Solve for x
x = 9,203,937,299,897,120/99,742,759.80 - Step 6: Final answer
x = 92,276,745.88
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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.