Finding the Fourth Proportional to 163,911,121.80, 245,547,818.10 and 99,022,175.70
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Solution
The fourth proportional to 163,911,121.80, 245,547,818.10 and 99,022,175.70 is: 148,340,630.70
Step by Step Solution
- Step 1: Write the proportion equation
163,911,121.80 : 245,547,818.10 = 99,022,175.70 : x - Step 2: Convert to fraction form
163,911,121.80/245,547,818.10 = 99,022,175.70/x - Step 3: Cross multiply
163,911,121.80x = 245,547,818.10 × 99,022,175.70 - Step 4: Simplify right side
163,911,121.80x = 24,314,679,186,649,840 - Step 5: Solve for x
x = 24,314,679,186,649,840/163,911,121.80 - Step 6: Final answer
x = 148,340,630.70
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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.