Finding the Fourth Proportional to 163,911,122.80, 245,547,819.60 and 99,022,176.70
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Solution
The fourth proportional to 163,911,122.80, 245,547,819.60 and 99,022,176.70 is: 148,340,632.20
Step by Step Solution
- Step 1: Write the proportion equation
163,911,122.80 : 245,547,819.60 = 99,022,176.70 : x - Step 2: Convert to fraction form
163,911,122.80/245,547,819.60 = 99,022,176.70/x - Step 3: Cross multiply
163,911,122.80x = 245,547,819.60 × 99,022,176.70 - Step 4: Simplify right side
163,911,122.80x = 24,314,679,580,730,924 - Step 5: Solve for x
x = 24,314,679,580,730,924/163,911,122.80 - Step 6: Final answer
x = 148,340,632.20
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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.