Finding the Fourth Proportional to 66,446,913.20, 99,689,032.20 and 32,369,370.80
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Solution
The fourth proportional to 66,446,913.20, 99,689,032.20 and 32,369,370.80 is: 48,563,147.52
Step by Step Solution
- Step 1: Write the proportion equation
66,446,913.20 : 99,689,032.20 = 32,369,370.80 : x - Step 2: Convert to fraction form
66,446,913.20/99,689,032.20 = 32,369,370.80/x - Step 3: Cross multiply
66,446,913.20x = 99,689,032.20 × 32,369,370.80 - Step 4: Simplify right side
66,446,913.20x = 3,226,871,247,974,940 - Step 5: Solve for x
x = 3,226,871,247,974,940/66,446,913.20 - Step 6: Final answer
x = 48,563,147.52
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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.