Finding the Fourth Proportional to 102,708,639.36, 154,129,741.92 and 44,473,187.52
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Solution
The fourth proportional to 102,708,639.36, 154,129,741.92 and 44,473,187.52 is: 66,738,698.49
Step by Step Solution
- Step 1: Write the proportion equation
102,708,639.36 : 154,129,741.92 = 44,473,187.52 : x - Step 2: Convert to fraction form
102,708,639.36/154,129,741.92 = 44,473,187.52/x - Step 3: Cross multiply
102,708,639.36x = 154,129,741.92 × 44,473,187.52 - Step 4: Simplify right side
102,708,639.36x = 6,854,640,914,817,365 - Step 5: Solve for x
x = 6,854,640,914,817,365/102,708,639.36 - Step 6: Final answer
x = 66,738,698.49
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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.