Finding the Fourth Proportional to 102,545,388, 141,512,623.98 and 55,502,453.40
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Solution
The fourth proportional to 102,545,388, 141,512,623.98 and 55,502,453.40 is: 76,593,379.49
Step by Step Solution
- Step 1: Write the proportion equation
102,545,388 : 141,512,623.98 = 55,502,453.40 : x - Step 2: Convert to fraction form
102,545,388/141,512,623.98 = 55,502,453.40/x - Step 3: Cross multiply
102,545,388x = 141,512,623.98 × 55,502,453.40 - Step 4: Simplify right side
102,545,388x = 7,854,297,817,961,672 - Step 5: Solve for x
x = 7,854,297,817,961,672/102,545,388 - Step 6: Final answer
x = 76,593,379.49
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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.