Finding the Fourth Proportional to 118,106,171.70, 177,159,257.55 and 106,768,763.70
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Solution
The fourth proportional to 118,106,171.70, 177,159,257.55 and 106,768,763.70 is: 160,153,145.55
Step by Step Solution
- Step 1: Write the proportion equation
118,106,171.70 : 177,159,257.55 = 106,768,763.70 : x - Step 2: Convert to fraction form
118,106,171.70/177,159,257.55 = 106,768,763.70/x - Step 3: Cross multiply
118,106,171.70x = 177,159,257.55 × 106,768,763.70 - Step 4: Simplify right side
118,106,171.70x = 18,915,074,906,623,392 - Step 5: Solve for x
x = 18,915,074,906,623,392/118,106,171.70 - Step 6: Final answer
x = 160,153,145.55
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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.