Finding the Fourth Proportional to 143,303,438.70, 214,636,293.45 and 117,794,270.70
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Solution
The fourth proportional to 143,303,438.70, 214,636,293.45 and 117,794,270.70 is: 176,429,301.92
Step by Step Solution
- Step 1: Write the proportion equation
143,303,438.70 : 214,636,293.45 = 117,794,270.70 : x - Step 2: Convert to fraction form
143,303,438.70/214,636,293.45 = 117,794,270.70/x - Step 3: Cross multiply
143,303,438.70x = 214,636,293.45 × 117,794,270.70 - Step 4: Simplify right side
143,303,438.70x = 25,282,925,652,693,936 - Step 5: Solve for x
x = 25,282,925,652,693,936/143,303,438.70 - Step 6: Final answer
x = 176,429,301.92
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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.