Finding the Fourth Proportional to 258,160,117.07, 356,250,595.50 and 140,682,943.49
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Solution
The fourth proportional to 258,160,117.07, 356,250,595.50 and 140,682,943.49 is: 194,136,813.09
Step by Step Solution
- Step 1: Write the proportion equation
258,160,117.07 : 356,250,595.50 = 140,682,943.49 : x - Step 2: Convert to fraction form
258,160,117.07/356,250,595.50 = 140,682,943.49/x - Step 3: Cross multiply
258,160,117.07x = 356,250,595.50 × 140,682,943.49 - Step 4: Simplify right side
258,160,117.07x = 50,118,382,395,005,352 - Step 5: Solve for x
x = 50,118,382,395,005,352/258,160,117.07 - Step 6: Final answer
x = 194,136,813.09
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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.