Finding the Fourth Proportional to 118,153,503.27, 162,900,259.62 and 96,881,912.19
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Solution
The fourth proportional to 118,153,503.27, 162,900,259.62 and 96,881,912.19 is: 133,572,752.49
Step by Step Solution
- Step 1: Write the proportion equation
118,153,503.27 : 162,900,259.62 = 96,881,912.19 : x - Step 2: Convert to fraction form
118,153,503.27/162,900,259.62 = 96,881,912.19/x - Step 3: Cross multiply
118,153,503.27x = 162,900,259.62 × 96,881,912.19 - Step 4: Simplify right side
118,153,503.27x = 15,782,088,648,233,042 - Step 5: Solve for x
x = 15,782,088,648,233,042/118,153,503.27 - Step 6: Final answer
x = 133,572,752.49
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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.