Finding the Fourth Proportional to 70,959,120.84, 97,917,721.56 and 40,026,892.68
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Solution
The fourth proportional to 70,959,120.84, 97,917,721.56 and 40,026,892.68 is: 55,233,803.43
Step by Step Solution
- Step 1: Write the proportion equation
70,959,120.84 : 97,917,721.56 = 40,026,892.68 : x - Step 2: Convert to fraction form
70,959,120.84/97,917,721.56 = 40,026,892.68/x - Step 3: Cross multiply
70,959,120.84x = 97,917,721.56 × 40,026,892.68 - Step 4: Simplify right side
70,959,120.84x = 3,919,342,132,352,242 - Step 5: Solve for x
x = 3,919,342,132,352,242/70,959,120.84 - Step 6: Final answer
x = 55,233,803.43
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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.