Finding the Fourth Proportional to 135,753,126.12, 187,343,221.68 and 73,877,384.88
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Solution
The fourth proportional to 135,753,126.12, 187,343,221.68 and 73,877,384.88 is: 101,952,917.68
Step by Step Solution
- Step 1: Write the proportion equation
135,753,126.12 : 187,343,221.68 = 73,877,384.88 : x - Step 2: Convert to fraction form
135,753,126.12/187,343,221.68 = 73,877,384.88/x - Step 3: Cross multiply
135,753,126.12x = 187,343,221.68 × 73,877,384.88 - Step 4: Simplify right side
135,753,126.12x = 13,840,427,292,712,520 - Step 5: Solve for x
x = 13,840,427,292,712,520/135,753,126.12 - Step 6: Final answer
x = 101,952,917.68
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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.