Finding the Fourth Proportional to 288,157,818.87, 432,235,176.21 and 69,808,050.72
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Solution
The fourth proportional to 288,157,818.87, 432,235,176.21 and 69,808,050.72 is: 104,711,700.08
Step by Step Solution
- Step 1: Write the proportion equation
288,157,818.87 : 432,235,176.21 = 69,808,050.72 : x - Step 2: Convert to fraction form
288,157,818.87/432,235,176.21 = 69,808,050.72/x - Step 3: Cross multiply
288,157,818.87x = 432,235,176.21 × 69,808,050.72 - Step 4: Simplify right side
288,157,818.87x = 30,173,495,103,835,816 - Step 5: Solve for x
x = 30,173,495,103,835,816/288,157,818.87 - Step 6: Final answer
x = 104,711,700.08
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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.