Finding the Fourth Proportional to 70,960,278.18, 97,925,203.41 and 39,170,467.09
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Solution
The fourth proportional to 70,960,278.18, 97,925,203.41 and 39,170,467.09 is: 54,055,255.36
Step by Step Solution
- Step 1: Write the proportion equation
70,960,278.18 : 97,925,203.41 = 39,170,467.09 : x - Step 2: Convert to fraction form
70,960,278.18/97,925,203.41 = 39,170,467.09/x - Step 3: Cross multiply
70,960,278.18x = 97,925,203.41 × 39,170,467.09 - Step 4: Simplify right side
70,960,278.18x = 3,835,775,957,452,961 - Step 5: Solve for x
x = 3,835,775,957,452,961/70,960,278.18 - Step 6: Final answer
x = 54,055,255.36
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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.