Finding the Fourth Proportional to 119,293,555.67, 164,621,772.16 and 72,278,465.08
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Solution
The fourth proportional to 119,293,555.67, 164,621,772.16 and 72,278,465.08 is: 99,742,261.38
Step by Step Solution
- Step 1: Write the proportion equation
119,293,555.67 : 164,621,772.16 = 72,278,465.08 : x - Step 2: Convert to fraction form
119,293,555.67/164,621,772.16 = 72,278,465.08/x - Step 3: Cross multiply
119,293,555.67x = 164,621,772.16 × 72,278,465.08 - Step 4: Simplify right side
119,293,555.67x = 11,898,609,010,191,516 - Step 5: Solve for x
x = 11,898,609,010,191,516/119,293,555.67 - Step 6: Final answer
x = 99,742,261.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.