Finding the Fourth Proportional to 163,512,994.74, 245,170,701.86 and 65,159,832.21
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Solution
The fourth proportional to 163,512,994.74, 245,170,701.86 and 65,159,832.21 is: 97,700,380.46
Step by Step Solution
- Step 1: Write the proportion equation
163,512,994.74 : 245,170,701.86 = 65,159,832.21 : x - Step 2: Convert to fraction form
163,512,994.74/245,170,701.86 = 65,159,832.21/x - Step 3: Cross multiply
163,512,994.74x = 245,170,701.86 × 65,159,832.21 - Step 4: Simplify right side
163,512,994.74x = 15,975,281,795,679,736 - Step 5: Solve for x
x = 15,975,281,795,679,736/163,512,994.74 - Step 6: Final answer
x = 97,700,380.46
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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.