Finding the Fourth Proportional to 273,395,640.56, 377,285,983.98 and 149,636,317.69
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Solution
The fourth proportional to 273,395,640.56, 377,285,983.98 and 149,636,317.69 is: 206,498,118.41
Step by Step Solution
- Step 1: Write the proportion equation
273,395,640.56 : 377,285,983.98 = 149,636,317.69 : x - Step 2: Convert to fraction form
273,395,640.56/377,285,983.98 = 149,636,317.69/x - Step 3: Cross multiply
273,395,640.56x = 377,285,983.98 × 149,636,317.69 - Step 4: Simplify right side
273,395,640.56x = 56,455,685,357,872,320 - Step 5: Solve for x
x = 56,455,685,357,872,320/273,395,640.56 - Step 6: Final answer
x = 206,498,118.41
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.