Finding the Fourth Proportional to 93,689,847.89, 129,296,030.48 and 51,873,913.99
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Solution
The fourth proportional to 93,689,847.89, 129,296,030.48 and 51,873,913.99 is: 71,588,238.38
Step by Step Solution
- Step 1: Write the proportion equation
93,689,847.89 : 129,296,030.48 = 51,873,913.99 : x - Step 2: Convert to fraction form
93,689,847.89/129,296,030.48 = 51,873,913.99/x - Step 3: Cross multiply
93,689,847.89x = 129,296,030.48 × 51,873,913.99 - Step 4: Simplify right side
93,689,847.89x = 6,707,091,163,979,856 - Step 5: Solve for x
x = 6,707,091,163,979,856/93,689,847.89 - Step 6: Final answer
x = 71,588,238.38
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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.