Finding the Fourth Proportional to 69,175,334,902.42, 103,767,555,281.92 and 18,124,881,609.53
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Solution
The fourth proportional to 69,175,334,902.42, 103,767,555,281.92 and 18,124,881,609.53 is: 27,188,515,343.63
Step by Step Solution
- Step 1: Write the proportion equation
69,175,334,902.42 : 103,767,555,281.92 = 18,124,881,609.53 : x - Step 2: Convert to fraction form
69,175,334,902.42/103,767,555,281.92 = 18,124,881,609.53/x - Step 3: Cross multiply
69,175,334,902.42x = 103,767,555,281.92 × 18,124,881,609.53 - Step 4: Simplify right side
69,175,334,902.42x = 1,880,774,654,394,744,438,784 - Step 5: Solve for x
x = 1,880,774,654,394,744,438,784/69,175,334,902.42 - Step 6: Final answer
x = 27,188,515,343.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.