Finding the Fourth Proportional to 115,119,534.42, 172,768,847.04 and 80,350,059.06
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Solution
The fourth proportional to 115,119,534.42, 172,768,847.04 and 80,350,059.06 is: 120,587,588.66
Step by Step Solution
- Step 1: Write the proportion equation
115,119,534.42 : 172,768,847.04 = 80,350,059.06 : x - Step 2: Convert to fraction form
115,119,534.42/172,768,847.04 = 80,350,059.06/x - Step 3: Cross multiply
115,119,534.42x = 172,768,847.04 × 80,350,059.06 - Step 4: Simplify right side
115,119,534.42x = 13,881,987,063,392,106 - Step 5: Solve for x
x = 13,881,987,063,392,106/115,119,534.42 - Step 6: Final answer
x = 120,587,588.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.