Finding the Fourth Proportional to 287,236,479.42, 430,915,248.81 and 93,132,758.94
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Solution
The fourth proportional to 287,236,479.42, 430,915,248.81 and 93,132,758.94 is: 139,718,764.39
Step by Step Solution
- Step 1: Write the proportion equation
287,236,479.42 : 430,915,248.81 = 93,132,758.94 : x - Step 2: Convert to fraction form
287,236,479.42/430,915,248.81 = 93,132,758.94/x - Step 3: Cross multiply
287,236,479.42x = 430,915,248.81 × 93,132,758.94 - Step 4: Simplify right side
287,236,479.42x = 40,132,325,990,991,848 - Step 5: Solve for x
x = 40,132,325,990,991,848/287,236,479.42 - Step 6: Final answer
x = 139,718,764.39
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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.