Finding the Fourth Proportional to 135,616,410, 187,149,326.31 and 73,736,748.36
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Solution
The fourth proportional to 135,616,410, 187,149,326.31 and 73,736,748.36 is: 101,755,995.31
Step by Step Solution
- Step 1: Write the proportion equation
135,616,410 : 187,149,326.31 = 73,736,748.36 : x - Step 2: Convert to fraction form
135,616,410/187,149,326.31 = 73,736,748.36/x - Step 3: Cross multiply
135,616,410x = 187,149,326.31 × 73,736,748.36 - Step 4: Simplify right side
135,616,410x = 13,799,782,779,863,998 - Step 5: Solve for x
x = 13,799,782,779,863,998/135,616,410 - Step 6: Final answer
x = 101,755,995.31
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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.