Finding the Fourth Proportional to 163,904,406.80, 245,869,051.80 and 48,879,971.60
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Solution
The fourth proportional to 163,904,406.80, 245,869,051.80 and 48,879,971.60 is: 73,323,667.76
Step by Step Solution
- Step 1: Write the proportion equation
163,904,406.80 : 245,869,051.80 = 48,879,971.60 : x - Step 2: Convert to fraction form
163,904,406.80/245,869,051.80 = 48,879,971.60/x - Step 3: Cross multiply
163,904,406.80x = 245,869,051.80 × 48,879,971.60 - Step 4: Simplify right side
163,904,406.80x = 12,018,072,269,302,930 - Step 5: Solve for x
x = 12,018,072,269,302,930/163,904,406.80 - Step 6: Final answer
x = 73,323,667.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.