Finding the Fourth Proportional to 71,958,985.68, 99,303,530.80 and 39,363,937.68
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Solution
The fourth proportional to 71,958,985.68, 99,303,530.80 and 39,363,937.68 is: 54,322,305.42
Step by Step Solution
- Step 1: Write the proportion equation
71,958,985.68 : 99,303,530.80 = 39,363,937.68 : x - Step 2: Convert to fraction form
71,958,985.68/99,303,530.80 = 39,363,937.68/x - Step 3: Cross multiply
71,958,985.68x = 99,303,530.80 × 39,363,937.68 - Step 4: Simplify right side
71,958,985.68x = 3,908,977,997,815,160.50 - Step 5: Solve for x
x = 3,908,977,997,815,160.50/71,958,985.68 - Step 6: Final answer
x = 54,322,305.42
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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.