Finding the Fourth Proportional to 315,181,048.14, 472,395,438.42 and 146,693,094.48
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Solution
The fourth proportional to 315,181,048.14, 472,395,438.42 and 146,693,094.48 is: 219,864,579.70
Step by Step Solution
- Step 1: Write the proportion equation
315,181,048.14 : 472,395,438.42 = 146,693,094.48 : x - Step 2: Convert to fraction form
315,181,048.14/472,395,438.42 = 146,693,094.48/x - Step 3: Cross multiply
315,181,048.14x = 472,395,438.42 × 146,693,094.48 - Step 4: Simplify right side
315,181,048.14x = 69,297,148,680,066,080 - Step 5: Solve for x
x = 69,297,148,680,066,080/315,181,048.14 - Step 6: Final answer
x = 219,864,579.70
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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.