Finding the Fourth Proportional to 83,462,104.74, 115,191,495.21 and 46,304,356.28
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Solution
The fourth proportional to 83,462,104.74, 115,191,495.21 and 46,304,356.28 is: 63,907,662.65
Step by Step Solution
- Step 1: Write the proportion equation
83,462,104.74 : 115,191,495.21 = 46,304,356.28 : x - Step 2: Convert to fraction form
83,462,104.74/115,191,495.21 = 46,304,356.28/x - Step 3: Cross multiply
83,462,104.74x = 115,191,495.21 × 46,304,356.28 - Step 4: Simplify right side
83,462,104.74x = 5,333,868,034,227,437 - Step 5: Solve for x
x = 5,333,868,034,227,437/83,462,104.74 - Step 6: Final answer
x = 63,907,662.65
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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.