Finding the Fourth Proportional to 70,767,519.57, 97,662,319.29 and 39,829,692.69
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Solution
The fourth proportional to 70,767,519.57, 97,662,319.29 and 39,829,692.69 is: 54,966,744.47
Step by Step Solution
- Step 1: Write the proportion equation
70,767,519.57 : 97,662,319.29 = 39,829,692.69 : x - Step 2: Convert to fraction form
70,767,519.57/97,662,319.29 = 39,829,692.69/x - Step 3: Cross multiply
70,767,519.57x = 97,662,319.29 × 39,829,692.69 - Step 4: Simplify right side
70,767,519.57x = 3,889,860,164,713,359 - Step 5: Solve for x
x = 3,889,860,164,713,359/70,767,519.57 - Step 6: Final answer
x = 54,966,744.47
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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.