Finding the Fourth Proportional to 252,950,560.98, 349,044,900.36 and 139,902,088.65
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Solution
The fourth proportional to 252,950,560.98, 349,044,900.36 and 139,902,088.65 is: 193,050,018.96
Step by Step Solution
- Step 1: Write the proportion equation
252,950,560.98 : 349,044,900.36 = 139,902,088.65 : x - Step 2: Convert to fraction form
252,950,560.98/349,044,900.36 = 139,902,088.65/x - Step 3: Cross multiply
252,950,560.98x = 349,044,900.36 × 139,902,088.65 - Step 4: Simplify right side
252,950,560.98x = 48,832,110,592,995,144 - Step 5: Solve for x
x = 48,832,110,592,995,144/252,950,560.98 - Step 6: Final answer
x = 193,050,018.96
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1.5x scale
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.