Finding the Fourth Proportional to 157,668,720.20, 236,342,117.10 and 106,555,905.80
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Solution
The fourth proportional to 157,668,720.20, 236,342,117.10 and 106,555,905.80 is: 159,725,076.31
Step by Step Solution
- Step 1: Write the proportion equation
157,668,720.20 : 236,342,117.10 = 106,555,905.80 : x - Step 2: Convert to fraction form
157,668,720.20/236,342,117.10 = 106,555,905.80/x - Step 3: Cross multiply
157,668,720.20x = 236,342,117.10 × 106,555,905.80 - Step 4: Simplify right side
157,668,720.20x = 25,183,648,366,280,168 - Step 5: Solve for x
x = 25,183,648,366,280,168/157,668,720.20 - Step 6: Final answer
x = 159,725,076.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.