Finding the Fourth Proportional to 52,085,675.68, 71,878,108.80 and 28,880,206
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Solution
The fourth proportional to 52,085,675.68, 71,878,108.80 and 28,880,206 is: 39,854,615.73
Step by Step Solution
- Step 1: Write the proportion equation
52,085,675.68 : 71,878,108.80 = 28,880,206 : x - Step 2: Convert to fraction form
52,085,675.68/71,878,108.80 = 28,880,206/x - Step 3: Cross multiply
52,085,675.68x = 71,878,108.80 × 28,880,206 - Step 4: Simplify right side
52,085,675.68x = 2,075,854,589,034,412.75 - Step 5: Solve for x
x = 2,075,854,589,034,412.75/52,085,675.68 - Step 6: Final answer
x = 39,854,615.73
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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.