Finding the Fourth Proportional to 281,927,565.92, 423,306,478.20 and 157,673,636.12
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Solution
The fourth proportional to 281,927,565.92, 423,306,478.20 and 157,673,636.12 is: 236,742,623.56
Step by Step Solution
- Step 1: Write the proportion equation
281,927,565.92 : 423,306,478.20 = 157,673,636.12 : x - Step 2: Convert to fraction form
281,927,565.92/423,306,478.20 = 157,673,636.12/x - Step 3: Cross multiply
281,927,565.92x = 423,306,478.20 × 157,673,636.12 - Step 4: Simplify right side
281,927,565.92x = 66,744,271,610,945,512 - Step 5: Solve for x
x = 66,744,271,610,945,512/281,927,565.92 - Step 6: Final answer
x = 236,742,623.56
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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.