Finding the Fourth Proportional to 57,958,984.06, 79,985,316.16 and 31,854,427.18
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Solution
The fourth proportional to 57,958,984.06, 79,985,316.16 and 31,854,427.18 is: 43,960,163.73
Step by Step Solution
- Step 1: Write the proportion equation
57,958,984.06 : 79,985,316.16 = 31,854,427.18 : x - Step 2: Convert to fraction form
57,958,984.06/79,985,316.16 = 31,854,427.18/x - Step 3: Cross multiply
57,958,984.06x = 79,985,316.16 × 31,854,427.18 - Step 4: Simplify right side
57,958,984.06x = 2,547,886,429,087,997 - Step 5: Solve for x
x = 2,547,886,429,087,997/57,958,984.06 - Step 6: Final answer
x = 43,960,163.73
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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.