Finding the Fourth Proportional to 157,668,705.20, 236,342,094.60 and 106,555,890.80
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Solution
The fourth proportional to 157,668,705.20, 236,342,094.60 and 106,555,890.80 is: 159,725,053.82
Step by Step Solution
- Step 1: Write the proportion equation
157,668,705.20 : 236,342,094.60 = 106,555,890.80 : x - Step 2: Convert to fraction form
157,668,705.20/236,342,094.60 = 106,555,890.80/x - Step 3: Cross multiply
157,668,705.20x = 236,342,094.60 × 106,555,890.80 - Step 4: Simplify right side
157,668,705.20x = 25,183,642,423,640,868 - Step 5: Solve for x
x = 25,183,642,423,640,868/157,668,705.20 - Step 6: Final answer
x = 159,725,053.82
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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.