Finding the Fourth Proportional to 70,955,696.75, 97,918,994.36 and 38,360,648.75
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Solution
The fourth proportional to 70,955,696.75, 97,918,994.36 and 38,360,648.75 is: 52,937,767.09
Step by Step Solution
- Step 1: Write the proportion equation
70,955,696.75 : 97,918,994.36 = 38,360,648.75 : x - Step 2: Convert to fraction form
70,955,696.75/97,918,994.36 = 38,360,648.75/x - Step 3: Cross multiply
70,955,696.75x = 97,918,994.36 × 38,360,648.75 - Step 4: Simplify right side
70,955,696.75x = 3,756,236,148,405,388 - Step 5: Solve for x
x = 3,756,236,148,405,388/70,955,696.75 - Step 6: Final answer
x = 52,937,767.09
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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.