Finding the Fourth Proportional to 70,929,860.16, 97,880,987.43 and 41,580,740.31
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Solution
The fourth proportional to 70,929,860.16, 97,880,987.43 and 41,580,740.31 is: 57,380,120.45
Step by Step Solution
- Step 1: Write the proportion equation
70,929,860.16 : 97,880,987.43 = 41,580,740.31 : x - Step 2: Convert to fraction form
70,929,860.16/97,880,987.43 = 41,580,740.31/x - Step 3: Cross multiply
70,929,860.16x = 97,880,987.43 × 41,580,740.31 - Step 4: Simplify right side
70,929,860.16x = 4,069,963,919,613,205 - Step 5: Solve for x
x = 4,069,963,919,613,205/70,929,860.16 - Step 6: Final answer
x = 57,380,120.45
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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.