Finding the Fourth Proportional to 66,429,691.20, 99,663,199.20 and 32,352,148.80
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Solution
The fourth proportional to 66,429,691.20, 99,663,199.20 and 32,352,148.80 is: 48,537,312.04
Step by Step Solution
- Step 1: Write the proportion equation
66,429,691.20 : 99,663,199.20 = 32,352,148.80 : x - Step 2: Convert to fraction form
66,429,691.20/99,663,199.20 = 32,352,148.80/x - Step 3: Cross multiply
66,429,691.20x = 99,663,199.20 × 32,352,148.80 - Step 4: Simplify right side
66,429,691.20x = 3,224,318,650,402,441 - Step 5: Solve for x
x = 3,224,318,650,402,441/66,429,691.20 - Step 6: Final answer
x = 48,537,312.04
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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.