Finding the Fourth Proportional to 220,615,086.65, 304,223,023.19 and 146,249,777.21
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Solution
The fourth proportional to 220,615,086.65, 304,223,023.19 and 146,249,777.21 is: 201,675,007.99
Step by Step Solution
- Step 1: Write the proportion equation
220,615,086.65 : 304,223,023.19 = 146,249,777.21 : x - Step 2: Convert to fraction form
220,615,086.65/304,223,023.19 = 146,249,777.21/x - Step 3: Cross multiply
220,615,086.65x = 304,223,023.19 × 146,249,777.21 - Step 4: Simplify right side
220,615,086.65x = 44,492,549,362,534,680 - Step 5: Solve for x
x = 44,492,549,362,534,680/220,615,086.65 - Step 6: Final answer
x = 201,675,007.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.