Finding the Fourth Proportional to 75,692,516.54, 104,455,676.56 and 40,885,206.98
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Solution
The fourth proportional to 75,692,516.54, 104,455,676.56 and 40,885,206.98 is: 56,421,587.65
Step by Step Solution
- Step 1: Write the proportion equation
75,692,516.54 : 104,455,676.56 = 40,885,206.98 : x - Step 2: Convert to fraction form
75,692,516.54/104,455,676.56 = 40,885,206.98/x - Step 3: Cross multiply
75,692,516.54x = 104,455,676.56 × 40,885,206.98 - Step 4: Simplify right side
75,692,516.54x = 4,270,691,956,773,538.50 - Step 5: Solve for x
x = 4,270,691,956,773,538.50/75,692,516.54 - Step 6: Final answer
x = 56,421,587.65
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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.