Finding the Fourth Proportional to 385,521,073.08, 578,511,394.08 and 139,896,872.28
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Solution
The fourth proportional to 385,521,073.08, 578,511,394.08 and 139,896,872.28 is: 209,928,692.00
Step by Step Solution
- Step 1: Write the proportion equation
385,521,073.08 : 578,511,394.08 = 139,896,872.28 : x - Step 2: Convert to fraction form
385,521,073.08/578,511,394.08 = 139,896,872.28/x - Step 3: Cross multiply
385,521,073.08x = 578,511,394.08 × 139,896,872.28 - Step 4: Simplify right side
385,521,073.08x = 80,931,934,610,134,512 - Step 5: Solve for x
x = 80,931,934,610,134,512/385,521,073.08 - Step 6: Final answer
x = 209,928,692.00
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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.