Finding the Fourth Proportional to 75,248,686.49, 112,845,965.47 and 26,051,181.08
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Solution
The fourth proportional to 75,248,686.49, 112,845,965.47 and 26,051,181.08 is: 39,067,401.93
Step by Step Solution
- Step 1: Write the proportion equation
75,248,686.49 : 112,845,965.47 = 26,051,181.08 : x - Step 2: Convert to fraction form
75,248,686.49/112,845,965.47 = 26,051,181.08/x - Step 3: Cross multiply
75,248,686.49x = 112,845,965.47 × 26,051,181.08 - Step 4: Simplify right side
75,248,686.49x = 2,939,770,679,977,039.50 - Step 5: Solve for x
x = 2,939,770,679,977,039.50/75,248,686.49 - Step 6: Final answer
x = 39,067,401.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.