Finding the Fourth Proportional to 146,995,982.20, 220,483,344.48 and 70,298,417.08
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Solution
The fourth proportional to 146,995,982.20, 220,483,344.48 and 70,298,417.08 is: 105,442,542.56
Step by Step Solution
- Step 1: Write the proportion equation
146,995,982.20 : 220,483,344.48 = 70,298,417.08 : x - Step 2: Convert to fraction form
146,995,982.20/220,483,344.48 = 70,298,417.08/x - Step 3: Cross multiply
146,995,982.20x = 220,483,344.48 × 70,298,417.08 - Step 4: Simplify right side
146,995,982.20x = 15,499,630,109,448,354 - Step 5: Solve for x
x = 15,499,630,109,448,354/146,995,982.20 - Step 6: Final answer
x = 105,442,542.56
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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.