Finding the Fourth Proportional to 108,804,927.15, 163,207,390.73 and 76,493,314.35
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Solution
The fourth proportional to 108,804,927.15, 163,207,390.73 and 76,493,314.35 is: 114,739,971.53
Step by Step Solution
- Step 1: Write the proportion equation
108,804,927.15 : 163,207,390.73 = 76,493,314.35 : x - Step 2: Convert to fraction form
108,804,927.15/163,207,390.73 = 76,493,314.35/x - Step 3: Cross multiply
108,804,927.15x = 163,207,390.73 × 76,493,314.35 - Step 4: Simplify right side
108,804,927.15x = 12,484,274,242,970,698 - Step 5: Solve for x
x = 12,484,274,242,970,698/108,804,927.15 - Step 6: Final answer
x = 114,739,971.53
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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.