Finding the Fourth Proportional to 70,170,203.98, 96,829,965.67 and 40,799,452.82
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Solution
The fourth proportional to 70,170,203.98, 96,829,965.67 and 40,799,452.82 is: 56,300,386.66
Step by Step Solution
- Step 1: Write the proportion equation
70,170,203.98 : 96,829,965.67 = 40,799,452.82 : x - Step 2: Convert to fraction form
70,170,203.98/96,829,965.67 = 40,799,452.82/x - Step 3: Cross multiply
70,170,203.98x = 96,829,965.67 × 40,799,452.82 - Step 4: Simplify right side
70,170,203.98x = 3,950,609,615,915,385 - Step 5: Solve for x
x = 3,950,609,615,915,385/70,170,203.98 - Step 6: Final answer
x = 56,300,386.66
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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.