Finding the Fourth Proportional to 272,339,205.94, 375,812,792.67 and 154,893,106.90
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Solution
The fourth proportional to 272,339,205.94, 375,812,792.67 and 154,893,106.90 is: 213,743,779.08
Step by Step Solution
- Step 1: Write the proportion equation
272,339,205.94 : 375,812,792.67 = 154,893,106.90 : x - Step 2: Convert to fraction form
272,339,205.94/375,812,792.67 = 154,893,106.90/x - Step 3: Cross multiply
272,339,205.94x = 375,812,792.67 × 154,893,106.90 - Step 4: Simplify right side
272,339,205.94x = 58,210,811,069,421,848 - Step 5: Solve for x
x = 58,210,811,069,421,848/272,339,205.94 - Step 6: Final answer
x = 213,743,779.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.