Finding the Fourth Proportional to 168,140,260.14, 252,221,045.49 and 71,077,878.06
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Solution
The fourth proportional to 168,140,260.14, 252,221,045.49 and 71,077,878.06 is: 106,621,321.39
Step by Step Solution
- Step 1: Write the proportion equation
168,140,260.14 : 252,221,045.49 = 71,077,878.06 : x - Step 2: Convert to fraction form
168,140,260.14/252,221,045.49 = 71,077,878.06/x - Step 3: Cross multiply
168,140,260.14x = 252,221,045.49 × 71,077,878.06 - Step 4: Simplify right side
168,140,260.14x = 17,927,336,715,503,934 - Step 5: Solve for x
x = 17,927,336,715,503,934/168,140,260.14 - Step 6: Final answer
x = 106,621,321.39
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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.