Finding the Fourth Proportional to 115,265,972.36, 159,066,566.30 and 62,342,739.11
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Solution
The fourth proportional to 115,265,972.36, 159,066,566.30 and 62,342,739.11 is: 86,032,722.76
Step by Step Solution
- Step 1: Write the proportion equation
115,265,972.36 : 159,066,566.30 = 62,342,739.11 : x - Step 2: Convert to fraction form
115,265,972.36/159,066,566.30 = 62,342,739.11/x - Step 3: Cross multiply
115,265,972.36x = 159,066,566.30 × 62,342,739.11 - Step 4: Simplify right side
115,265,972.36x = 9,916,645,443,169,086 - Step 5: Solve for x
x = 9,916,645,443,169,086/115,265,972.36 - Step 6: Final answer
x = 86,032,722.76
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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.